Juína, Mato Grosso, Brazil (original) (raw)

ⓘ Anhydrite

Formula: CaSO4

ⓘ Ankerite ?

Formula: Ca(Fe2+,Mg)(CO3)2

ⓘ 'Apatite'

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

ⓘ 'Apatite Group'

ⓘ 'Biotite'

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

References:

Cid, J. P., Nardi, L. V. S., Cid, C. P., Gisbert, P. E., & Balzaretti, N. M. (2014). Acid compositions in a veined-lower mantle, as indicated by inclusions of (K, Na)-Hollandite+ SiO 2 in diamonds. Lithos, 196, 42-53.

ⓘ Breyite (TL)

Formula: Ca3Si3O9

Description: May be walstromite or perovskite.

ⓘ Bridgmanite

Formula: (Mg,Fe)SiO3

ⓘ Calcite

Formula: CaCO3

ⓘ Coesite

Formula: SiO2

ⓘ Cohenite ?

Formula: Fe3C

ⓘ Corundum

Formula: Al2O3

ⓘ Corundum var. Ruby

Formula: Al2O3

References:

Watt, G. R., Harris, J. W., Harte, B., & Boyd, S. R. (1994). A high-chromium corundum (ruby) inclusion in diamond from the Sao Luiz alluvial mine, Brazil. Mineralogical Magazine, 58(392), 490-493.

ⓘ Cotunnite

Formula: PbCl2

ⓘ Cuspidine

Formula: Ca8(Si2O7)2F4

ⓘ Davemaoite

Formula: CaSiO3

ⓘ Deltanitrogen (TL)

Formula: N

Type Locality:

ⓘ Diamond

Formula: C

Localities:

Chicória farm, Sorriso river, Juína, Mato Grosso, Brazil
São Luis river alluvials, Juína, Mato Grosso, Brazil
Juininha river, Juína, Mato Grosso, Brazil
Sorriso river, Juína, Mato Grosso, Brazil

ⓘ Diopside

Formula: CaMgSi2O6

ⓘ Dolomite

Formula: CaMg(CO3)2

ⓘ Eitelite

Formula: Na2Mg(CO3)2

ⓘ Ellinaite (TL)

Formula: CaCr2O4

Type Locality:

Description: As mineral phase of an inclusion within diamond, collected from gravel of Sorriso creek, a tributary of Aripuanã River, Mato Grosso, Brazil (11∘20′ S, 59∘11′ W )

References:

Sharygin, Victor V., Britvin, Sergey N., Kaminsky, Felix V., Wirth, Richard, Nigmatulina, Elena N., Yakovlev, Grigory A., Novoselov, Konstantin A., Murashko, Mikhail N. (2021) Ellinaite, CaCr2O4, a new natural post-spinel oxide from Hatrurim Basin, Israel, and Juína kimberlite field, Brazil. European Journal of Mineralogy, 33 (6) 727-742 doi:10.5194/ejm-33-727-2021

ⓘ 'Fayalite-Forsterite Series'

ⓘ Forsterite

Formula: Mg2SiO4

References:

Zedgenizov, D.A., Shatskiy, A., Ragozin, A.L., Kagi, H., Shatsky, V.S. (2014): Merwinite in diamond from São Luiz, Brazil: A new mineral of the Ca-rich mantle environment. American Mineralogist: 99: 547-550.

ⓘ 'Garnet Group'

Formula: X3Z2(SiO4)3

Localities:

Chicória farm, Sorriso river, Juína, Mato Grosso, Brazil
São Luis river alluvials, Juína, Mato Grosso, Brazil
Sorriso river, Juína, Mato Grosso, Brazil

ⓘ Graphite

Formula: C

ⓘ Halite

Formula: NaCl

ⓘ Haxonite

Formula: (Fe,Ni)23C6

ⓘ Hematite

Formula: Fe2O3

ⓘ Hercynite ?

Formula: Fe2+Al2O4

ⓘ Hollandite

Formula: Ba(Mn4+6Mn3+2)O16

References:

Cid, J. P., Nardi, L. V. S., Cid, C. P., Gisbert, P. E., & Balzaretti, N. M. (2014). Acid compositions in a veined-lower mantle, as indicated by inclusions of (K, Na)-Hollandite+ SiO 2 in diamonds. Lithos, 196, 42-53.

ⓘ 'Hydrophilite'

ⓘ Ilmenite

Formula: Fe2+TiO3

ⓘ Iron

Formula: Fe

ⓘ Jeffbenite (TL)

Formula: Mg3Al2Si3O12

ⓘ Magnesioferrite

Formula: MgFe3+2O4

ⓘ Magnesite

Formula: MgCO3

Localities:

Chicória farm, Sorriso river, Juína, Mato Grosso, Brazil
Sorriso river, Juína, Mato Grosso, Brazil
São Luis river alluvials, Juína, Mato Grosso, Brazil

ⓘ Magnetite

Formula: Fe2+Fe3+2O4

ⓘ Majorite ?

Formula: Mg3(MgSi)(SiO4)3

Description: Both Ragozin et al.(2020) and Nestola et al.(2016) mention "majoritic garnets" as inclusions in diamonds. Neither of them provide any analytical data, and the term "majoritic garnet" may well represent pyropes with a small majoritic component.

References:

Nestola, F., Burnham, A.D., Peruzzo, L., Tauro, L., Alvaro, M., Walter, M.J., Gunter, M., Kohn, S.C. (2016): Tetragonal Almandine-Pyrope Phase, TAPP: finally a name for it, the new mineral jeffbenite. Mineralogical Magazine, 80, 1219-1232

ⓘ Merrillite

Formula: Ca9NaMg(PO4)7

ⓘ Merwinite

Formula: Ca3Mg(SiO4)2

References:

Zedgenizov, D.A., Shatskiy, A., Ragozin, A.L., Kagi, H., Shatsky, V.S. (2014): Merwinite in diamond from São Luiz, Brazil: A new mineral of the Ca-rich mantle environment. American Mineralogist: 99: 547-550.

ⓘ Millerite

Formula: NiS

ⓘ Moissanite ?

Formula: SiC

ⓘ Monazite-(Ce) ?

Formula: Ce(PO4)

ⓘ Monticellite

Formula: CaMgSiO4

ⓘ Muscovite

Formula: KAl2(AlSi3O10)(OH)2

References:

Cid, J. P., Nardi, L. V. S., Cid, C. P., Gisbert, P. E., & Balzaretti, N. M. (2014). Acid compositions in a veined-lower mantle, as indicated by inclusions of (K, Na)-Hollandite+ SiO 2 in diamonds. Lithos, 196, 42-53.

ⓘ Muscovite var. Phengite

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

References:

Cid, J. P., Nardi, L. V. S., Cid, C. P., Gisbert, P. E., & Balzaretti, N. M. (2014). Acid compositions in a veined-lower mantle, as indicated by inclusions of (K, Na)-Hollandite+ SiO 2 in diamonds. Lithos, 196, 42-53.

ⓘ Nahcolite

Formula: NaHCO3

ⓘ Nyerereite

Formula: Na2Ca(CO3)2

ⓘ 'Olivine Group'

Formula: M2SiO4

ⓘ Oskarssonite

Formula: AlF3

ⓘ Parascandolaite

Formula: KMgF3

ⓘ Pentlandite

Formula: (NixFey)Σ9S8

ⓘ Periclase

Formula: MgO

Localities:

Chicória farm, Sorriso river, Juína, Mato Grosso, Brazil
Juininha river, Juína, Mato Grosso, Brazil
São Luis river alluvials, Juína, Mato Grosso, Brazil
Sorriso river, Juína, Mato Grosso, Brazil

ⓘ Periclase var. Ferropericlase

Formula: (Mg,Fe)O

Localities:

Chicória farm, Sorriso river, Juína, Mato Grosso, Brazil
Juininha river, Juína, Mato Grosso, Brazil
São Luis river alluvials, Juína, Mato Grosso, Brazil
Sorriso river, Juína, Mato Grosso, Brazil

ⓘ 'Periclase Group'

ⓘ Perovskite

Formula: CaTiO3

Localities:

Chicória farm, Sorriso river, Juína, Mato Grosso, Brazil
Juininha river, Juína, Mato Grosso, Brazil
São Luis river alluvials, Juína, Mato Grosso, Brazil
Sorriso river, Juína, Mato Grosso, Brazil

ⓘ Phlogopite

Formula: KMg3(AlSi3O10)(OH)2

ⓘ Pigeonite

Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6

References:

Cid, J. P., Nardi, L. V. S., Cid, C. P., Gisbert, P. E., & Balzaretti, N. M. (2014). Acid compositions in a veined-lower mantle, as indicated by inclusions of (K, Na)-Hollandite+ SiO 2 in diamonds. Lithos, 196, 42-53.

ⓘ Plattnerite

Formula: PbO2

ⓘ Pyrrhotite

Formula: Fe1-xS

ⓘ Ringwoodite

Formula: (Mg,Fe2+)2SiO4

Colour: green

Description: Found as a ~40um inclusion in a 0.09g diamond from alluvial deposits downstream of kimberlite pipe Aripuana-01. Identified using single-crystal X-ray diffraction together with micro-Raman spectrometry.

ⓘ Rutile

Formula: TiO2

ⓘ Rutile var. Ilmenorutile

Formula: (Ti,Nb)O2

ⓘ Spinel

Formula: MgAl2O4

ⓘ 'Spinel Subgroup'

Formula: A2+D3+2O4

ⓘ Stishovite

Formula: SiO2

References:

Cid, J. P., Nardi, L. V. S., Cid, C. P., Gisbert, P. E., & Balzaretti, N. M. (2014). Acid compositions in a veined-lower mantle, as indicated by inclusions of (K, Na)-Hollandite+ SiO 2 in diamonds. Lithos, 196, 42-53.

ⓘ Sylvite

Formula: KCl

ⓘ 'Unnamed (Barium-Strontium Aluminium Fluoride)'

Formula: (Ba,Sr)AlF5

ⓘ 'Unnamed (Calcium Chromium Oxide Postspinel)'

Formula: CaCr2O4

ⓘ 'Unnamed (Iron Carbide)'

Formula: Fe7C3

ⓘ 'Unnamed (Iron Carbide II)'

Formula: Fe2C

ⓘ 'Unnamed (Iron Carbonitride)'

Formula: Fe9(N,C)2

ⓘ 'Unnamed (Iron Diphosphate)'

Formula: Fe2Fe5(P2O7)4

ⓘ 'Unnamed (Iron Nitride I)'

Formula: Fe3N

ⓘ 'Unnamed (Iron Nitride II)'

Formula: Fe2N

ⓘ 'Unnamed (Mg analogue of Xieite)'

Formula: MgCr2O4

ⓘ 'Unnamed (Orthorhombic Polymorph of Magnesium Oxide)'

Formula: MgO

ⓘ 'Unnamed (Sodium-Magnesium Phosphate)'

Formula: Na4Mg3(PO4)2(P2O7)

ⓘ Violarite

Formula: Fe2+Ni3+2S4

ⓘ Wollastonite

Formula: Ca3(Si3O9)

ⓘ Wüstite

Formula: FeO

ⓘ Xieite

Formula: Fe2+Cr2O4

ⓘ Yarlongite ?

Formula: Cr4Fe4NiC4