North Korea (original) (raw)

Actinolite

Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2

Localities:

Pukchong County, South Hamgyong Province, North Korea
Kanji-dong, Haksol-li, Puktuil-myon, Tanchon City, South Hamgyong Province, North Korea
Samno, Sechon-dong, Hakso-myon, Kimchaek city, North Hamgyong Province, North Korea

Aegirine

Formula: NaFe3+Si2O6

Localities: Reported from at least 6 localities in this region.

Aegirine-augite

Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6

Aenigmatite

Formula: Na4[Fe2+10Ti2]O4[Si12O36]

Albite

Formula: Na(AlSi3O8)

Localities: Reported from at least 12 localities in this region.

Albite var. Andesine

Formula: (Na,Ca)[Al(Si,Al)Si2O8]

Albite var. Anorthoclase

Formula: (Na,K)AlSi3O8

Albite var. Oligoclase

Formula: (Na,Ca)[Al(Si,Al)Si2O8]

'Alkali amphibole'

Localities: Reported from at least 6 localities in this region.

'Alkali Feldspar'

'Alkali pyroxene'

Allanite-(Ce)

Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)

Localities:

Talli-dong, Hangnam-myon, Myonggan County, North Hamgyong Province, North Korea
Unhong-myon, Anak County, South Hwanghae Province, North Korea
Talli-dong, Haksong-myon, Kimchaek city, North Hamgyong Province, North Korea

'Allanite Group'

Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

Localities: Reported from at least 8 localities in this region.

Almandine

Formula: Fe2+3Al2(SiO4)3

Amblygonite

Formula: LiAl(PO4)F

'Amphibole Supergroup'

Formula: A B2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2

Localities: Reported from at least 11 localities in this region.

Analcime

Formula: Na(AlSi2O6) · H2O

Anatase

Formula: TiO2

Anatase var. Gel-Anatase

Formula: TiO2

Andalusite

Formula: Al2(SiO4)O

Antigorite

Formula: Mg3(Si2O5)(OH)4

Antigorite var. Bowenite

Formula: Mg3(Si2O5)(OH)4

'Apatite'

Formula: Ca5(PO4)3(Cl/F/OH)

Localities: Reported from at least 17 localities in this region.

Arfvedsonite

Formula: [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2

Arsenopyrite

Formula: FeAsS

Localities:

Kapsan mine, Ryanggang Province, North Korea
Sangnong Mine, Sangnong-ni, Suha-myon, Tanchon City, South Hamgyong Province, North Korea
Talchol-li Mine, Hada-myon, Tanchon City, South Hamgyong Province, North Korea
Chonsan mine, North Pyongan Province, North Korea

Augite

Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6

Augite var. Ferroaugite

Bafertisite

Formula: Ba2Fe2+4Ti2(Si2O7)2O2(OH)2F2

Description: Bafertisite was misidentifdied with unnamed Ba-free bafertisite-like Fe-Ti silikate.

'Barkevikite'

Baryte

Formula: BaSO4

Localities:

Inam-dong, Oegwi-myon, Kanggye-gun, North Pyongan Province, North Korea
Konsang-dong, Oegwi-myon, Kanggye-gun, North Pyongan Province, North Korea
Pyongsan Fluorspar Mine, Pyongsan County, North Hwanghae Province, North Korea

'Bastnäsite'

Formula: (Ce/Nd/Y/REE)(CO3)F

Bastnäsite-(Ce)

Formula: Ce(CO3)F

Beryl

Formula: Be3Al2(Si6O18)

Localities:

Taedang Mine, Hwachon-myon, Hongchon-gun, Kangwon Province, North Korea
Chungjong Mine, Imnam-myon, Tongchon County, Kangwon Province, North Korea
Tallok Mine (Tanryoku Mine), Kuntal-li, Kalmal-myon, Chorwon County, Kangwon Province, North Korea

'Biotite'

Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

Localities: Reported from at least 33 localities in this region.

Bismuth

Formula: Bi

Localities:

North orebody (New orebody), Hol Kol Mine (Holgol; Suan; Namjong), Suan County, North Hwanghae Province, North Korea
Yonsu Mine (Furukawa-Yamaguchi Mine), Chonchang-myon, Changsong County, North Pyongan Province, North Korea
Eastern orebody, Hol Kol mine (Holgol; Suan; Namjong), Suan County, North Hwanghae Province, North Korea

Bismuthinite

Formula: Bi2S3

Localities:

Eastern orebody, Hol Kol mine (Holgol; Suan; Namjong), Suan County, North Hwanghae Province, North Korea
Yonsu Mine (Furukawa-Yamaguchi Mine), Chonchang-myon, Changsong County, North Pyongan Province, North Korea
Kymgang Mine, Kumgang County, Kangwon Province, North Korea
Western orebody, Hol Kol Mine (Holgol; Suan; Namjong), Suan County, North Hwanghae Province, North Korea

Bornite

Formula: Cu5FeS4

Boulangerite

Formula: Pb5Sb4S11

Bournonite

Formula: PbCuSbS3

Description: Only as minute inclusions in galena.

Britholite-(Ce)

Formula: (Ce,Ca)5(SiO4)3OH

'Britholite Group'

Formula: (REE,Ca)5[(Si,P)O4]3X

Brucite

Formula: Mg(OH)2

Localities:

Hol Kol Mine (Holgol; Suan; Namjong), Suan County, North Hwanghae Province, North Korea
Unsyori Mine, Nantoniti-men, Tanchon City, South Hamgyong Province, North Korea
Tul Mi Chung (Namjeong; Nantei), Suan County, North Hwanghae Province, North Korea

Brugnatellite

Formula: Mg6Fe3+(CO3)(OH)13 · 4H2O

Calcite

Formula: CaCO3

Localities: Reported from at least 19 localities in this region.

Calcite var. Manganese-bearing Calcite

Formula: (Ca,Mn)CO3

'Calcium Amphibole Subgroup var. Hornblende'

References:

Kim, Namhoon, Han Lee, Bum, Koh, Sang-Mo, Lee, Ho-Sun, So, Byung-Dal (2023) Zircon geochronology, Hf isotope, and rare earth element geochemistry of the Apdong Nb-Ta deposit in North Korea. Ore Geology Reviews, 154. 105327 doi:10.1016/j.oregeorev.2023.105327

Cancrinite

Formula: (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O

Carrollite

Formula: CuCo2S4

Cassiterite

Formula: SnO2

Cerussite

Formula: PbCO3

Chalcanthite

Formula: CuSO4 · 5H2O

Description: (Although listed as chalcanthite in the literature, the description sounds more like Cu-rich melanterite - "pisanite".)

Chalcopyrite

Formula: CuFeS2

Localities: Reported from at least 18 localities in this region.

Chevkinite-(Ce)

Formula: Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2

'Chevkinite Group'

'Chlorite Group'

Localities:

Kongchi-dong Mine (Okura Mine), Yongdang-ni, Pangyo-myon, Ichon County, Kangwon Province, North Korea
Tokyori deposit, Kinjo Mine, Kangwon Province, North Korea
Unsyori Mine, Nantoniti-men, Tanchon City, South Hamgyong Province, North Korea
Chonsan mine, North Pyongan Province, North Korea

Chondrodite

Formula: Mg5(SiO4)2F2

Localities:

Namchon Mine, Namchol-li, Pongsan-myon, Pyongsan County, North Hwanghae Province, North Korea
Western orebody, Hol Kol Mine (Holgol; Suan; Namjong), Suan County, North Hwanghae Province, North Korea
Eastern orebody, Hol Kol mine (Holgol; Suan; Namjong), Suan County, North Hwanghae Province, North Korea

Clinochlore

Formula: Mg5Al(AlSi3O10)(OH)8

Clinochlore var. Leuchtenbergite

Formula: Mg5Al(AlSi3O10)(OH)8

'Clino-ferro-suenoite'

Formula: ◻{Mn2+2}{Fe2+5}(Si8O22)(OH)2

Clinohumite

Formula: Mg9(SiO4)4F2

'Clinopyroxene Subgroup'

Clinozoisite

Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)

Cobaltite

Formula: CoAsS

Columbite-(Fe)

Formula: Fe2+Nb2O6

'Columbite-(Fe)-Columbite-(Mn) Series'

Localities:

Munchon Mine, Pungha-myon, Munchon-gun, South Hamgyong Province, North Korea
Kumsok Mine, Yonghwa-dong, Chipo-ri, Kalmal-myon, Chorwon County, Kangwon Province, North Korea
Tallok Mine (Tanryoku Mine), Kuntal-li, Kalmal-myon, Chorwon County, Kangwon Province, North Korea
Abdong Zr-Nb deposit (Aptong; Apdong), Pyonggang County, Kangwon Province, North Korea

Cordierite

Formula: (Mg,Fe)2Al3(AlSi5O18)

Corundum

Formula: Al2O3

Localities:

Chinsa-ri, Sinhung-myon, Kangso County, Nampo City, North Korea
Haunsung-ni, Suha-myon, Tanchon City, South Hamgyong Province, North Korea
Tahak-tong, Chinsa-ri, Sinhung-myon, Kangso County, Nampo City, North Korea

Cosalite

Formula: Pb2Bi2S5

Cubanite

Formula: CuFe2S3

Datolite

Formula: CaB(SiO4)(OH)

Diopside

Formula: CaMgSi2O6

Localities: Reported from at least 19 localities in this region.

Dolomite

Formula: CaMg(CO3)2

Localities: Reported from at least 15 localities in this region.

Dolomite var. Manganese-bearing Dolomite

Formula: CaMg(CO3)2

Dravite

Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)

Localities:

Sangnong Mine, Sangnong-ni, Suha-myon, Tanchon City, South Hamgyong Province, North Korea
Tanpung Mine (Totaku-Tanpung Mine), Sangpung-ni, Suha-myon, Tanchon City, South Hamgyong Province, North Korea

Epidote

Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)

Localities: Reported from at least 7 localities in this region.

Erythrite

Formula: Co3(AsO4)2 · 8H2O

Fayalite

Formula: Fe2+2SiO4

'Fayalite-Forsterite Series'

'Feldspar Group'

Localities: Reported from at least 8 localities in this region.

'Feldspar Group var. Perthite'

'Fergusonite'

References:

Kim, Namhoon, Han Lee, Bum, Koh, Sang-Mo, Lee, Ho-Sun, So, Byung-Dal (2023) Zircon geochronology, Hf isotope, and rare earth element geochemistry of the Apdong Nb-Ta deposit in North Korea. Ore Geology Reviews, 154. 105327 doi:10.1016/j.oregeorev.2023.105327

Fergusonite-(Y)

Formula: YNbO4

Ferro-ferri-katophorite

Formula: Na(NaCa)(Fe2+4Fe3+)(Si7Al)O22(OH)2

Ferro-ferri-nybøite

Formula: NaNa2[(Fe2+3,Mg)Fe3+2](AlSi7O22)(OH)2

Ferro-hornblende

Formula: ◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2

Ferro-richterite

Formula: {Na}{CaNa}{Fe2+5}(Si8O22)(OH)2

Fersmite

Formula: (Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6

References:

Kim, Namhoon, Han Lee, Bum, Koh, Sang-Mo, Lee, Ho-Sun, So, Byung-Dal (2023) Zircon geochronology, Hf isotope, and rare earth element geochemistry of the Apdong Nb-Ta deposit in North Korea. Ore Geology Reviews, 154. 105327 doi:10.1016/j.oregeorev.2023.105327

Fluoborite

Formula: Mg3(BO3)(F,OH)3

References:

Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.

Fluorapatite

Formula: Ca5(PO4)3F

Fluorite

Formula: CaF2

Localities: Reported from at least 14 localities in this region.

Forsterite

Formula: Mg2SiO4

Localities: Reported from at least 7 localities in this region.

Galena

Formula: PbS

Localities: Reported from at least 7 localities in this region.

'Garnet Group'

Formula: X3Z2(SiO4)3

Localities: Reported from at least 15 localities in this region.

Geikielite

Formula: MgTiO3

Goethite

Formula: α-Fe3+O(OH)

Gold

Formula: Au

Localities: Reported from at least 17 localities in this region.

Gold var. Electrum

Formula: (Au,Ag)

Graphite

Formula: C

Localities:

Kanji-dong, Haksol-li, Puktuil-myon, Tanchon City, South Hamgyong Province, North Korea
Samno, Sechon-dong, Hakso-myon, Kimchaek city, North Hamgyong Province, North Korea
Unsyori Mine, Nantoniti-men, Tanchon City, South Hamgyong Province, North Korea
Chonsan mine, North Pyongan Province, North Korea

Greenockite

Formula: CdS

Grossular

Formula: Ca3Al2(SiO4)3

Gypsum

Formula: CaSO4 · 2H2O

Hedenbergite

Formula: CaFe2+Si2O6

Hematite

Formula: Fe2O3

Description: Titanium-bearing variety.

Hemimorphite

Formula: Zn4Si2O7(OH)2 · H2O

Hercynite

Formula: Fe2+Al2O4

Hercynite var. Picotite

Formula: (Fe,Mg)(Al,Cr)2O4

Hessite

Formula: Ag2Te

'Hornblende Root Name Group'

Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2

Localities: Reported from at least 9 localities in this region.

Hübnerite

Formula: MnWO4

Description: Confirmed by analysis (wt%): FeO 5.48, MnO 15.88

Ilmenite

Formula: Fe2+TiO3

Localities: Reported from at least 15 localities in this region.

Ilmenite var. Ferrian Ilmenite

Formula: (Fe,Ti)2O3

Johachidolite (TL)

Formula: CaAlB3O7

Type Locality:

Kaolinite

Formula: Al2(Si2O5)(OH)4

Katophorite

Formula: {Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2

'K Feldspar'

Localities: Reported from at least 7 localities in this region.

'K Feldspar var. Adularia'

Formula: KAlSi3O8

Kotoite (TL)

Formula: Mg3[BO3]2

Localities:

North orebody (New orebody), Hol Kol Mine (Holgol; Suan; Namjong), Suan County, North Hwanghae Province, North Korea
Hol Kol Mine (Holgol; Suan; Namjong), Suan County, North Hwanghae Province, North Korea
Western orebody, Hol Kol Mine (Holgol; Suan; Namjong), Suan County, North Hwanghae Province, North Korea
Eastern orebody, Hol Kol mine (Holgol; Suan; Namjong), Suan County, North Hwanghae Province, North Korea

Kyanite

Formula: Al2(SiO4)O

Leucite

Formula: K(AlSi2O6)

'Leucoxene'

'Limonite'

Löllingite

Formula: FeAs2

Ludwigite

Formula: Mg2Fe3+(BO3)O2

Localities:

Suan County, North Hwanghae Province, North Korea
Hol Kol Mine (Holgol; Suan; Namjong), Suan County, North Hwanghae Province, North Korea
Western orebody, Hol Kol Mine (Holgol; Suan; Namjong), Suan County, North Hwanghae Province, North Korea
Eastern orebody, Hol Kol mine (Holgol; Suan; Namjong), Suan County, North Hwanghae Province, North Korea
North orebody (New orebody), Hol Kol Mine (Holgol; Suan; Namjong), Suan County, North Hwanghae Province, North Korea

Magnesite

Formula: MgCO3

Magnetite

Formula: Fe2+Fe3+2O4

Localities: Reported from at least 18 localities in this region.

Magnetite var. Titanium-bearing Magnetite

Formula: Fe2+(Fe3+,Ti)2O4

Marcasite

Formula: FeS2

'Mica Group'

Microcline

Formula: K(AlSi3O8)

Localities: Reported from at least 13 localities in this region.

Microcline var. Amazonite

Formula: K(AlSi3O8)

Miharaite

Formula: Cu4FePbBiS6

Molybdenite

Formula: MoS2

Localities: Reported from at least 15 localities in this region.

'Monazite'

Formula: REE(PO4)

Localities: Reported from at least 9 localities in this region.

Monazite-(Ce)

Formula: Ce(PO4)

Montmorillonite

Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O

Description: pink

Muscovite

Formula: KAl2(AlSi3O10)(OH)2

Localities: Reported from at least 15 localities in this region.

Muscovite var. Phengite

Formula: KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2

Muscovite var. Sericite

Formula: KAl2(AlSi3O10)(OH)2

Localities:

Paegyang-ni, Namsan-myon, Chunchon-gun, Kangwon Province, North Korea
Fukushinzan, Pyonggang County, Kangwon Province, North Korea
Koshinmen, Uiju County, North Pyongan Province, North Korea
Nordmarkite ejecta, Paektu Mountain, Samjiyon City, Ryanggang Province, North Korea
Chonsan mine, North Pyongan Province, North Korea

Nepheline

Formula: Na3K(Al4Si4O16)

Localities: Reported from at least 11 localities in this region.

Nioboaeschynite-(Ce)

Formula: (Ce,Ca)(Nb,Ti)2(O,OH)6

Orthoclase

Formula: K(AlSi3O8)

Localities: Reported from at least 17 localities in this region.

Palygorskite

Formula: ◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O

Description: It should be noted that the Post & Heaney (2008) reference incorrectly spells the river as Yulu River. The specimen used in the reference was taken from the National Museum of Natural History - NMNH R12180. According to the museum reference the specimen is from the Yalu River. No mine or specific locality is provided.

Pentlandite

Formula: (NixFey)Σ9S8

Localities:

Sindae-ri, Sudong-myon, Kosong County, Kangwon Province, North Korea
Kongchi-dong Mine (Okura Mine), Yongdang-ni, Pangyo-myon, Ichon County, Kangwon Province, North Korea
Tokyori deposit, Kinjo Mine, Kangwon Province, North Korea
Unsyori Mine, Nantoniti-men, Tanchon City, South Hamgyong Province, North Korea

Phlogopite

Formula: KMg3(AlSi3O10)(OH)2

Localities: Reported from at least 18 localities in this region.

'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi2]O8

Localities:

Sangnong Mine, Sangnong-ni, Suha-myon, Tanchon City, South Hamgyong Province, North Korea
Fukushinzan, Pyonggang County, Kangwon Province, North Korea
Unsyori Mine, Nantoniti-men, Tanchon City, South Hamgyong Province, North Korea
Chonsan mine, North Pyongan Province, North Korea
Hoamsan Intrusion, Pyonggang County, Kangwon Province, North Korea

'Polylithionite-Trilithionite Series'

Localities:

Tajihol Mine, Onjong-ni, Chogam-myon, Pyongsan County, North Hwanghae Province, North Korea
Munchon Mine, Pungha-myon, Munchon-gun, South Hamgyong Province, North Korea
Pagam-ni pegmatite, Nam-myon, Chunchon-gun, Kangwon Province, North Korea

Prehnite

Formula: Ca2Al2Si3O10(OH)2

'Psilomelane'

Pyrite

Formula: FeS2

Localities: Reported from at least 20 localities in this region.

Pyrite var. Bravoite

Formula: (Fe,Ni)S2

Pyrite var. Cobalt-bearing Pyrite

Formula: (Fe,Co)S2

'Pyrochlore Group'

Formula: A2Nb2(O,OH)6Z

'Pyrochlore Group var. Ceriopyrochlore (of Hogarth 1977)'

Formula: A2Nb2(O,OH)6Z

'Pyrochlore Group var. Plumbopyrochlore (of Skorobogatova et al.)'

Formula: A2Nb2(O,OH)6Z

'Pyrochlore Supergroup'

Formula: A2-mD2X6-wZ1-n

'Pyrochlore Supergroup var. Betafite (of Hogarth 1977)'

Formula: (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)

Pyrolusite

Formula: Mn4+O2

Pyromorphite

Formula: Pb5(PO4)3Cl

'Pyroxene Group'

Formula: ADSi2O6

Localities: Reported from at least 10 localities in this region.

Pyrrhotite

Formula: Fe1-xS

Localities: Reported from at least 12 localities in this region.

Quartz

Formula: SiO2

Localities: Reported from at least 54 localities in this region.

Quartz var. Milky Quartz

Formula: SiO2

Rhodochrosite

Formula: MnCO3

Rhodonite

Formula: CaMn3Mn[Si5O15]

Riebeckite

Formula: ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2

Rutile

Formula: TiO2

Localities: Reported from at least 8 localities in this region.

Rutile var. Ilmenorutile

Formula: (Ti,Nb)O2

Sakhaite

Formula: Ca48Mg16(BO3)32(CO3)16 · 2(H2O,HCl)

Sanidine

Formula: K(AlSi3O8)

Localities:

Cheung-san, Kyonghung County, North Hamgyong Province, North Korea
Myongchon County, North Hamgyong Province, North Korea
Paektu Mountain, Samjiyon City, Ryanggang Province, North Korea
Abdong Zr-Nb deposit (Aptong; Apdong), Pyonggang County, Kangwon Province, North Korea

'Scapolite'

Scheelite

Formula: Ca(WO4)

Localities:

Changsong County, North Pyongan Province, North Korea
Sangnong Mine, Sangnong-ni, Suha-myon, Tanchon City, South Hamgyong Province, North Korea
Kymgang Mine, Kumgang County, Kangwon Province, North Korea
Tanchon complex, Gogsan-Mannjon-gun, North Hwanghae Province, North Korea
Talyng Mine, Kjongsu-gun, South Pyongan Province, North Korea

Schorl

Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)

Siderite

Formula: FeCO3

Siegenite

Formula: CoNi2S4

Sillimanite

Formula: Al2(SiO4)O

Localities:

Chinsa-ri, Sinhung-myon, Kangso County, Nampo City, North Korea
Tahak-tong, Chinsa-ri, Sinhung-myon, Kangso County, Nampo City, North Korea
Sangnong Mine, Sangnong-ni, Suha-myon, Tanchon City, South Hamgyong Province, North Korea
Koshinmen, Uiju County, North Pyongan Province, North Korea

Silver

Formula: Ag

Smithsonite

Formula: ZnCO3

Sodalite

Formula: Na4(Si3Al3)O12Cl

Localities: Reported from at least 6 localities in this region.

Spessartine

Formula: Mn2+3Al2(SiO4)3

Sphalerite

Formula: ZnS

Localities: Reported from at least 12 localities in this region.

Spinel

Formula: MgAl2O4

Localities:

Hol Kol Mine (Holgol; Suan; Namjong), Suan County, North Hwanghae Province, North Korea
Songdok, Yangsa-myon, Kilju County, North Hamgyong Province, North Korea
Wiyong-dong deposit, Chongnyong-myon, Pakchon County, North Pyongan Province, North Korea
Unhung-dong deposit, Chongnyong-myon, Pakchon County, North Pyongan Province, North Korea
Paengnyong Island, North Korea

Spodumene

Formula: LiAlSi2O6

Stannite

Formula: Cu2FeSnS4

Stilpnomelane

Formula: (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O

Suanite (TL)

Formula: Mg2[B2O5]

Type Locality:

Sussexite

Formula: Mn2+BO2(OH)

Szaibélyite

Formula: MgBO2(OH)

References:

Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.

Talc

Formula: Mg3Si4O10(OH)2

Teallite

Formula: PbSnS2

Tellurobismuthite

Formula: Bi2Te3

Tetradymite

Formula: Bi2Te2S

'Tetrahedrite Subgroup'

Formula: Cu6(Cu4C2+2)Sb4S12S

Thorite

Formula: Th(SiO4)

Thorite var. Uranothorite

Formula: (Th,U)SiO4

Titanite

Formula: CaTi(SiO4)O

Localities: Reported from at least 15 localities in this region.

'Tourmaline'

Formula: A D3G6 (T6O18)(BO3)3X3Z

Localities: Reported from at least 6 localities in this region.

'Tourmaline var. Rubellite'

Formula: A(D3)G6(T6O18)(BO3)3X3Z

'Tourmaline var. Verdelite'

Formula: A(D3)G6(T6O18)(BO3)3X3Z

Description: (Thick prismatic crystals were mistaken for beryl.) 0.82% Li2O.

Tremolite

Formula: ◻Ca2Mg5(Si8O22)(OH)2

Localities:

Shinkodo, South Hamgyong Province, North Korea
Hol Kol Mine (Holgol; Suan; Namjong), Suan County, North Hwanghae Province, North Korea
Eastern orebody, Hol Kol mine (Holgol; Suan; Namjong), Suan County, North Hwanghae Province, North Korea
Paegyang-ni, Namsan-myon, Chunchon-gun, Kangwon Province, North Korea

Triplite

Formula: Mn2+2(PO4)F

'Unnamed (Bafertisite-like Fe-Ti Silicate)'

Formula: ◻Fe3+2Ti[Si2O7]O(OH)2

Vesuvianite

Formula: Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9

Localities:

Fukushinzan, Pyonggang County, Kangwon Province, North Korea
Namchon Mine, Namchol-li, Pongsan-myon, Pyongsan County, North Hwanghae Province, North Korea
Pokjinsan Intrusion, Pyonggang County, Kangwon Province, North Korea

Violarite

Formula: Fe2+Ni3+2S4

Warwickite

Formula: (Mg,Ti,Fe,Al)2O(BO3)

Wittichenite

Formula: Cu3BiS3

'Wolframite Group'

Localities: Reported from at least 8 localities in this region.

'Xenotime'

References:

Kim, Namhoon, Han Lee, Bum, Koh, Sang-Mo, Lee, Ho-Sun, So, Byung-Dal (2023) Zircon geochronology, Hf isotope, and rare earth element geochemistry of the Apdong Nb-Ta deposit in North Korea. Ore Geology Reviews, 154. 105327 doi:10.1016/j.oregeorev.2023.105327

'Zinnwaldite'

Localities:

Tajihol Mine, Onjong-ni, Chogam-myon, Pyongsan County, North Hwanghae Province, North Korea
Unnamed pegmatite, Obok-tong, Myonggan County, North Hamgyong Province, North Korea
Munchon Mine, Pungha-myon, Munchon-gun, South Hamgyong Province, North Korea

Zircon

Formula: Zr(SiO4)

Localities: Reported from at least 17 localities in this region.

Zoisite

Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)