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|Lustre:||Vitreous||Hardness:||3½ - 4|
|Name:||Named after Klaus Yvon (b. 1943), Professor of Crystallography at the University of Geneva, Switzerland.|
Classification of Yvonite
|IMA status:||Approved 1995|
|Strunz 8th edition ID:||7/C.06-35|
|Nickel-Strunz 10th (pending) edition ID:||8.CB.25|
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
B : With only medium-sized cations, RO4:H2O = 1:1
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Type Occurrence of Yvonite
|Type Locality:||Salsigne mine, Salsigne, Mas-Cabardès, Carcassonne, Aude, Languedoc-Roussillon, France|
Physical Properties of Yvonite
|Hardness (Mohs):||3½ - 4|
Crystallography of Yvonite
|X-Ray Powder Diffraction:|
Optical Data of Yvonite
|RI values:||nα = 1.615 nβ = 1.660 nγ = 1.700|
|2V:||Measured: 82° , Calculated: 84°|
|Maximum Birefringence:||δ = 0.085|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
|Dispersion:||r > v medium|
Chemical Properties of Yvonite
|Essential elements:||As, Cu, H, O|
|All elements listed in formula:||As, Cu, H, O|
Relationship of Yvonite to other Species
|Member of:||Krautite Group|
|Other Members of Group:|
|Related Minerals - Nickel-Strunz Grouping):|
Other Names for Yvonite
|Health Warning:||No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.|
References for Yvonite
Sarp, H. and Černý, R. (1998) Description and crystal structure of Yvonite, Cu(AsO3OH).2H2O. American Mineralogist: 83: 383-389.
Mineralogical Record: 29: 479.
Internet Links for Yvonite
Localities for Yvonite
The 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.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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Locality Updated: Porterville Borrow pit, Tennessee Knob, Tulare Co., California, USAFrom Chester S. Lemanski, Jr., 11th Dec 2013 18:23:18