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Andychristyite

A valid IMA mineral species
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PbCu2+Te6+O5(H2O)
Colour:
Bluish green
Lustre:
Adamantine
Hardness:
2 - 3
Specific Gravity:
6.304 (Calculated)
Crystal System:
Triclinic
Name:
The mineral is named for Andrew (Andy) Gregor Christy (b. 1963) a Welsh–Australian mineralogist, petrologist, geochemist, and solid-state chemist, for his contributions to mineralogy, in particular, for the description of the new minerals (kapundaite, mössbauerite, mojaveite, bluebellite and favreauite), his work on minerals of the sapphirine supergroup, pyrochlore supergroup and hydrotalcite supergroup, and more recently for helping advance the knowledge of the crystal chemistry of tellurium.
Type Locality:
ⓘAga Mine, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
New structure type. Chemically related tohousleyite,khinite,paratimrosite, andtimroseite. Structurally related tobairdite,eckhardite, paratimroseite, and timroseite.

Crystal structure details: stair-step-likehcp layers built of TeO6 and CuO6 octahedra || {001}; the layers are linked with Pb in the [001] direction.


Unique Identifiers
Approval year:
2015
First published:
2016

Classification of Andychristyite

Mineral Symbols
Transparency:
Transparent
Colour:
Bluish green
Streak:
very pale bluish green
Hardness:
2 - 3 onMohs scale
Tenacity:
Brittle
Cleavage:
Perfect
{001}
Fracture:
Irregular/Uneven
Density:
6.304 g/cm3 (Calculated)

Optical Data of Andychristyite

Crystallography of Andychristyite
General Appearance of Type Material:
bluish-green tablets flattened on {001}, up to about 50 μm across
Place of Conservation of Type Material:
Type material is deposited in the collections of the Mineral Sciences Department, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, California 90007, USA, catalogue number 65577
Geological Setting of Type Material:
a secondary oxidation zone mineral and is presumed to have formed by oxidation of earlier formed tellurides, chalcopyrite, and galena
Associated Minerals at Type Locality:
GoethiteHematiteKhiniteQuartzTimroseite

Synonyms of Andychristyite

Common AssociatesMon. 2/m :P21/b7.CC.Ammoniovoltaite(NH4)2Fe2+5Fe3+3Al(SO4)12(H2O)18Iso.m3m(4/m32/m) :Fd3c7.CC.05KrausiteKFe(SO4)2 · H2OMon. 2/m :P21/m7.CC.10TamarugiteNaAl(SO4)2 · 6H2OMon. 2/m :P21/b7.CC.15MendoziteNaAl(SO4)2 · 11H2OMon. 2/m :B2/b7.CC.15KaliniteKAl(SO4)2 · 11H2OMon. 2/m :B2/b7.CC.20Alum-(Na)NaAl(SO4)2 · 12H2OIso.m3(2/m3) :Pa37.CC.20Lonecreekite(NH4)Fe3+(SO4)2 · 12H2OIso.m3(2/m3) :Pa37.CC.20Alum-(K)KAl(SO4)2 · 12H2OIso.m3(2/m3) :Pa37.CC.20Tschermigite(NH4)Al(SO4)2 · 12H2OIso.m3(2/m3) :Pa37.CC.20LanmuchangiteTl+Al(SO4)2 · 12H2OIso.m3(2/m3) :Pa37.CC.25ZincovoltaiteK2Zn5Fe3+3Al(SO4)12 · 18H2OIso.m3m(4/m32/m) :Fd3c7.CC.25VoltaiteK2Fe2+5Fe3+3Al(SO4)12 · 18H2OIso.m3m(4/m32/m) :Fd3c7.CC.25MagnesiovoltaiteK2Mg5Fe3+3Al(SO4)12 · 18H2OIso.m3m(4/m32/m) :Fd3c7.CC.25PertlikiteK2(Fe2+,Mg)2Mg4Fe3+2Al(SO4)12 · 18H2OTet. 4/mmm(4/m2/m2/m) :I41/acd7.CC.25Ammoniomagnesiovoltaite(NH4)2Mg2+5Fe3+3Al(SO4)12 · 18H2OIso.m3m(4/m32/m) :Fd3c7.CC.30KröhnkiteNa2Cu(SO4)2 · 2H2OMon. 2/m :P21/b7.CC.35FerrinatriteNa3Fe(SO4)3 · 3H2OTrig.3 :P37.CC.40GoldichiteKFe(SO4)2 · 4H2OMon. 2/m :P21/b7.CC.45LöweiteNa12Mg7(SO4)13 · 15H2OTrig.3 :R37.CC.50NickelblöditeNa2Ni(SO4)2 · 4H2OMon. 2/m :P21/b7.CC.50BlöditeNa2Mg(SO4)2 · 4H2OMon. 2/m :P21/b7.CC.50ChangoiteNa2Zn(SO4)2 · 4H2OMon. 2/m :P21/b7.CC.55LeoniteK2Mg(SO4)2 · 4H2OMon. 2/m :B2/m7.CC.55MereiteriteK2Fe(SO4)2 · 4H2OMon. 2/m :B2/m7.CC.60NickelpicromeriteK2Ni(SO4)2 · 6H2OMon. 2/m :P21/b7.CC.60Nickelboussingaultite(NH4)2Ni(SO4)2 · 6H2OMon. 2/m :P21/b7.CC.60Katerinopoulosite(NH4)2Zn(SO4)2 · 6H2OMon. 2/m :P21/b7.CC.60PicromeriteK2Mg(SO4)2 · 6H2OMon. 2/m :P2/b7.CC.60CyanochroiteK2Cu(SO4)2 · 6H2OMon. 2/m :P21/b7.CC.60Mohrite(NH4)2Fe(SO4)2 · 6H2OMon. 2/m :P21/b7.CC.60Boussingaultite(NH4)2Mg(SO4)2 · 6H2OMon. 2/m :P21/b7.CC.65PolyhaliteK2Ca2Mg(SO4)4 · 2H2OTric.17.CC.70LeightoniteK2Ca2Cu(SO4)4 · 2H2OMon. 2/m :B2/b7.CC.75AmarilliteNaFe(SO4)2 · 6H2OMon. 2/m :B2/b7.CC.80KonyaiteNa2Mg(SO4)2 · 5H2OMon. 2/m :P21/b7.CC.85WattevilleiteNa2Ca(SO4)2 · 4H2O (?)Orth.7.CC.85XocolatliteCa2Mn4+2(Te6+O6)2 · H2OMon. 2/m :P2/m7.CC.90Eckhardite(Ca,Pb)Cu2+Te6+O5(H2O)Mon. 2/m

Fluorescence of Andychristyite

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    • References for AndychristyiteⓘEmpire MineAnthony R KampfMineralogical Magazine+2 other references
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