Adelite (original) (raw)
A valid IMA mineral species - grandfathered
About AdeliteHide
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Colour:
Colourless, white, grey, bluish grey, yellowish grey, yellow, pale green, pinkish brown, brown
Specific Gravity:
3.71 - 3.76
Crystal System:
Orthorhombic
Name:
Named by Hjalmar Sjögren in 1891 from the Greek άδηλος for "adelos," "obscure" or "indistinct", in reference to its lack of transparency.
Adelite-Descloizite Group. Adelite-Gottlobite Series.
The arsenate analogue of Gottlobite.
Crystal structure details (Effenberger et al., 2002): _M_2 site is Mg; there are (_M_2)O6 octahedra that share edges to form chains; the chains are parallel to [001]; two chains are linked via a tetrahedron to form 3D framework; in the framework there are cavities where the _M_1 site is located; in adelite it is Ca, with tetragonal antiprism coordination (slightly distorted).
See also the hydrated analogue camgasite.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:23:5
be8d5008-5334-4cbf-badb-d863f7194c04
IMA Classification of AdeliteHide
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Approved, 'Grandfathered' (first described prior to 1959)
Type description reference:
Classification of AdeliteHide
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8.BH.35
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
H : With medium-sized and large cations, (OH,etc.):RO4 = 1:1
41.5.1.1
41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)2(XO4)Zq
20.2.17
20 : Arsenates (also arsenates with phosphate, but without other anions)
2 : Arsenates of Be, Mg, Ca or Ba
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Ade | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of AdeliteHide
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Transparency:
Transparent, Translucent
Comment:
Långban: vitrous to greasy
Colour:
Colourless, white, grey, bluish grey, yellowish grey, yellow, pale green, pinkish brown, brown
Comment:
Colourless in transmitted light.
Fracture:
Irregular/Uneven, Conchoidal
Density:
3.71 - 3.76 g/cm3 (Measured) 3.78 g/cm3 (Calculated)
Optical Data of AdeliteHide
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RI values:
_n_α = 1.712 _n_β = 1.721 _n_γ = 1.731
δ = 0.019
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Optical Extinction:
Parallel. XYZ = acb
Pleochroism:
Non-pleochroic
Chemistry of AdeliteHide
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Mindat Formula:
CaMg(AsO4)(OH)
Common Impurities:
Pb,Mn,Na,Cu,Ba
Crystallography of AdeliteHide
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Crystal System:
Orthorhombic
Class (H-M):
222 - Disphenoidal
Cell Parameters:
a = 7.43 Å, b = 8.85 Å, c = 5.88 Å
Ratio:
a:b:c = 0.84 : 1 : 0.664
Unit Cell V:
386.64 ų (Calculated from Unit Cell)
Morphology:
Crystals elongated [100]. Commonly massive.
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0012643 | Adelite | Effenberger H, Krause W, Bernhardt H J (2002) Structural investigations of adelite and cobaltaustinite, two members of the adelite-descloizite group Experimental Mineralogy, Petrology and Geochemistry Abstract Volume 9 30-30 | 2002 | Langban, Sweden | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.96 Å | (60) |
| 4.48 Å | (10) |
| 4.13 Å | (70) |
| 3.47 Å | (20) |
| 3.16 Å | (100) |
| 2.98 Å | (60) |
| 2.78 Å | (60) |
| 2.64 Å | (40) |
| 2.59 Å | (70) |
| 2.51 Å | (60) |
| 2.33 Å | (70) |
| 2.03 Å | (20) |
| 1.872 Å | (20) |
| 1.819 Å | (20) |
| 1.751 Å | (10) |
| 1.724 Å | (10) |
| 1.671 Å | (10) |
| 1.609 Å | (70) |
| 1.582 Å | (10) |
| 1.505 Å | (20) |
| 1.485 Å | (10) |
| 1.349 Å | (10) |
| 1.307 Å | (30) |
| 1.220 Å | (30) |
Comments:
ICDD 24-208. Langban, Sweden. Data from Canadian Mineralogist 18: 191 (1980)
Geological EnvironmentHide
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Geological Setting:
On willemite-franklinite ore from a metamorphosed stratiform zinc orebody (Franklin, New Jersey, USA).
Type Occurrence of AdeliteHide
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Place of Conservation of Type Material:
Swedish Museum of Natural History, Stockholm, Sweden, number HS 6413.
Geological Setting of Type Material:
A rare mineral in a metamorphosed Fe–Mn orebody
Associated Minerals at Type Locality:
Reference:
Sjögren, H. (1891) Bidrag til Sveriges mineralogi. 3. Adelit, ett basiskt arseniat från Nordmarken och Långban. Geologiska Föreningen i Stockholm Förhandlingar: 13: 781-796.
Other Language Names for AdeliteHide
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Varieties of AdeliteHide
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Relationship of Adelite to other SpeciesHide
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Other Members of this group:
Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 8.BH. | Crimsonite | PbFe3+2(PO4)2(OH)2 | Orth. m m m _(_2/_m_2/_m_2/m ) : C c c m |
|---|---|---|---|
| 8.BH. | Reznitskyite | CaMg(VO4)F | Mon. 2/m : _B_2/b |
| 8.BH. | Cuprozheshengite | Pb4CuZn2(AsO4)2(PO4)2(OH)2 | Tric. 1 : _P_1 |
| 8.BH. | Zheshengite | Pb4ZnZn2(AsO4)2(PO4)2(OH)2 | Tric. 1 : _P_1 |
| 8.BH. | Peterchinite | Zn3Zn2(OH)6As[O3(OH)3] | Mon. 2/m : _B_2/m |
| 8.BH.05 | Thadeuite | Ca(Mg,Fe2+)3(PO4)2(OH,F)2 | Orth. 222 : _C_2221 |
| 8.BH.10 | Durangite | NaAl(AsO4)F | Mon. 2/m : _B_2/b |
| 8.BH.10 | Isokite | CaMg(PO4)F | Mon. 2/m : _B_2/b |
| 8.BH.10 | Lacroixite | NaAl(PO4)F | Mon. 2/m : _B_2/b |
| 8.BH.10 | Maxwellite | NaFe3+(AsO4)F | Mon. 2/m : _P_2/m |
| 8.BH.10 | Panasqueiraite | CaMg(PO4)(OH) | Mon. |
| 8.BH.10 | Kononovite | NaMg(SO4)F | Mon. 2/m : _B_2/b |
| 8.BH.10 | Arsenatrotitanite | NaTi(AsO4)O | Mon. 2/m : _B_2/b |
| 8.BH.15 | Drugmanite | Pb2Fe3+(PO4)(PO3OH)(OH)2 | Mon. 2/m : _P_21/b |
| 8.BH.20 | Bjarebyite | (Ba,Sr)(Mn2+,Fe2+,Mg)2Al2(PO4)3(OH)3 | Mon. 2/m : _P_21/m |
| 8.BH.20 | Cirrolite | Ca3Al2(PO4)3(OH)3 (?) | |
| 8.BH.20 | Kulanite | Ba(Fe2+,Mn2+,Mg)2(Al,Fe3+)2(PO4)3(OH)3 | Mon. 2/m : _P_21/m |
| 8.BH.20 | Penikisite | Ba(Mg,Fe2+,Ca)2Al2(PO4)3(OH)3 | Mon. 2/m : _P_21/m |
| 8.BH.20 | Perloffite | Ba(Mn2+,Fe2+)2Fe3+2(PO4)3(OH)3 | Mon. 2/m : _P_21/m |
| 8.BH.20 | Johntomaite | BaFe2+2Fe3+2(PO4)3(OH)3 | Mon. 2/m : _P_21/m |
| 8.BH.20 | Bjarebyite Group | ||
| 8.BH.20 | Strontioperloffite | SrMn2+2Fe3+2(PO4)3(OH)3 | Mon. 2/m : _P_21/m |
| 8.BH.20 | Plumboperloffite | PbMn2+2Fe3+2(PO4)3(OH)3 | Mon. 2/m : _P_21/m |
| 8.BH.20 | Nigelcookite | PbFe2+2V3+2(PO4)3(OH)3 | Mon. 2/m : _P_21/m |
| 8.BH.20 | Plumbojohntomaite | PbFe2+2Fe3+2(PO4)3(OH)3 | Mon. 2/m : _P_21/m |
| 8.BH.25 | Bertossaite | (Li,Na)2(Ca,Fe2+,Mn2+)Al4(PO4)4(OH,F)4 | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 8.BH.25 | Palermoite | (Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4 | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 8.BH.25 | Natropalermoite | Na2SrAl4(PO4)4(OH)4 | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 8.BH.30 | Carminite | PbFe3+2(AsO4)2(OH)2 | Orth. m m m _(_2/_m_2/_m_2/m ) : C c c m |
| 8.BH.30 | Sewardite | CaFe3+2(AsO4)2(OH)2 | Orth. m m m _(_2/_m_2/_m_2/m ) : C c c m |
| 8.BH.35 | Arsendescloizite | PbZn(AsO4)(OH) | Orth. 222 : _P_212121 |
| 8.BH.35 | Austinite | CaZn(AsO4)(OH) | Orth. 222 : _P_212121 |
| 8.BH.35 | Cobaltaustinite | CaCo(AsO4)(OH) | Orth. 222 : _P_212121 |
| 8.BH.35 | Conichalcite | CaCu(AsO4)(OH) | Orth. 222 : _P_212121 |
| 8.BH.35 | Duftite | PbCu(AsO4)(OH) | Orth. 222 : _P_212121 |
| 8.BH.35 | Gabrielsonite | PbFe3+(As3+O3)O | Orth. m _m_2 : P m _c_21 |
| 8.BH.35 | Nickelaustinite | CaNi(AsO4)(OH) | Orth. 222 : _P_212121 |
| 8.BH.35 | Tangeite | CaCu(VO4)(OH) | Orth. 222 : _P_212121 |
| 8.BH.35 | Duftite-alpha | PbCu(AsO4)(OH) | |
| 8.BH.35 | Gottlobite | CaMg(VO4)(OH) | Orth. 222 : _P_212121 |
| 8.BH.35 | Hermannroseite | CaCu(PO4)(OH) | Orth. 222 : _P_212121 |
| 8.BH.40 | Čechite | PbFe2+(VO4)(OH) | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 8.BH.40 | Descloizite | PbZn(VO4)(OH) | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
| 8.BH.40 | Mottramite | PbCu(VO4)(OH) | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
| 8.BH.40 | Pyrobelonite | PbMn2+(VO4)(OH) | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
| 8.BH.40 | Khorixasite | (Bi0.67◻0.33)Cu(VO4)(OH) | Mon. 2/m : _P_2/m |
| 8.BH.45 | Bayldonite | PbCu3(AsO4)2(OH)2 | Mon. 2/m : _B_2/b |
| 8.BH.45 | Vésigniéite | BaCu3(VO4)2(OH)2 | Mon. 2/m : _B_2/m |
| 8.BH.50 | Paganoite | NiBi(AsO4)O | Tric. 1 : _P_1 |
| 8.BH.55 | Harrisonite | Ca(Fe2+,Mg)6(PO4)2(SiO4)2 | Trig. 3_m_ _(_32/m ) : R_3_m |
| 8.BH.55 | Jagowerite | BaAl2(PO4)2(OH)2 | Tric. |
| 8.BH.60 | Attakolite | CaMn2+Al4(SiO3OH)(PO4)3(OH)4 | Mon. 2/m : _B_2/m |
| 8.BH.65 | Leningradite | PbCu3(VO4)2Cl | Orth. m m m _(_2/_m_2/_m_2/m ) : I b a m |
| 8.BH.70 | Katiarsite | KTiO(AsO4) | Orth. m _m_2 : P n _a_21 |
| 8.BH.70 | Yurgensonite | K2SnTiO2(AsO4)2 | Orth. m _m_2 : P n _a_21 |
| 8.BH.75 | Melanarsite | K3Cu7Fe3+O4(AsO4)4 | Mon. 2/m : _B_2/b |
| 8.BH.80 | Moraskoite | Na2Mg(PO4)F | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n |
| 8.BH.80 | Evseevite | Na2Mg(AsO4)F | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n |
| 8.BH.85 | Piccoliite | NaCaMn3+2(AsO4)2O(OH) | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c m |
Fluorescence of AdeliteHide
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Other InformationHide
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Notes:
Soluble in dilute acids.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for AdeliteHide
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References for AdeliteHide
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Reference List:
Localities for AdeliteHide
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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 
symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Locality ListHide
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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. 
- Good crystals or important locality for species. 
- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.