Geminite R070434

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Record 1598 of 4216  

Name: Geminite
RRUFF ID: R070434
Ideal Chemistry: Cu2+(AsO3OH)·H2O
Locality: Jáchymov (St Joachimsthal), Ostrov, Krusné Hory Mountains (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic
Source: Michael Scott S104403 [view label]
Owner: RRUFF
Description: Stellate aggregates of pale green bladed crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Quick search: [ All Geminite samples (2) ]
Sample Description: Unoriented sample

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RRUFF ID: R070434
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R070434.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 6.412(1)Å    b: 8.057(2)Å    c: 15.615(3)Å
alpha: 87.26(3)°    beta: 84.17(3)°    gamma: 84.34(3)°   Volume: 798.0(4)Å3    Crystal System: triclinic
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Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Geminite

American Mineralogist Crystal Structure Database Record: [view record]

Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]

Sarp H, Perroud P (1990) La geminite, Cu2As2O7·3H2O, un nouveau minéral de la mine de Cap Garonne, Var, France, Schweizerische Mineralogische und Petrographische Mitteilungen, 70, 309-314

Jambor J L (1992) New mineral names, American Mineralogist, 77, 670-675   [view file]

Cooper M A, Hawthorne F C (1995) The crystal structure of geminite, Cu2+(AsO3OH)(H2O), a heteropolyhedral sheet structure, The Canadian Mineralogist, 33, 1111-1118   [view file]

Jambor J L, Pertsev N N, Roberts A C (1996) New mineral names, American Mineralogist, 81, 766-770   [view file]

Prencipe M, Pushcharovsky D Y, Sarp H, Ferraris G (1996) Comparative crystal chemistry of geminite Cu[AsO3OH]H2O and related minerals, Moscow University Geology Bulletin, 51, 51-58   [view file]

Jambor J L, Pertsev N N, Roberts A C (1998) New mineral names, American Mineralogist, 83, 907-911   [view file]

Plumhoff A M, Plášil J, Dachs E, Benisek A, Sejkora J, Števko M, Rumsen M S, Majzlan J (2020) Thermodynamic properties, crystal structure and phase relations of pushcharovskite [Cu(AsO3OH)(H2O) · 0.5H2O], geminite [Cu(AsO3OH)(H2O)] and liroconite [Cu2Al(AsO4)(OH)4 · 4H2O], European Journal of Mineralogy, 32, 285-304   [view file]