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|System:||Tetragonal||Hardness:||4 - 5|
|Name:||Named in 1967 by B. A. Goldin, N. P. Yushkin, and M. V. Fishman in honor of Professor Aleksandr Aleksandrovich Chernov (1877–1963), Russian geologist, Institute of Geology, Syktyvar, Russia, explorer of the Polar Urals.|
Classification of Chernovite-(Y)
|Strunz 8th edition ID:||7/A.14-20|
|Nickel-Strunz 10th (pending) edition ID:||8.AD.35|
8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
D : With only large cations
|Dana 8th edition ID:||22.214.171.124|
38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
4 : AXO4
|Hey's CIM Ref.:||20.4.12|
20 : Arsenates (also arsenates with phosphate, but without other anions)
4 : Arsenates of Group III metals (Al, rare earths)
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Type Occurrence of Chernovite-(Y)
|Type Locality:||Nyarta-Syu-Yu River, Tel'pos-Iz Mt, Tyumenskaya Oblast', Polar Urals, Western-Siberian Region, Russia|
Physical Properties of Chernovite-(Y)
|Hardness (Mohs):||4 - 5|
Crystallography of Chernovite-(Y)
|Class (H-M):||4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal|
|Cell Parameters:||a = 7.05Å, c = 6.25Å|
|Ratio:||a:c = 1 : 0.887|
|Unit Cell Volume:||V 310.64 Å³ (Calculated from Unit Cell)|
|Comment:||Range: a = 6.99–7.09 c = 6.17–6.32 A.|
Optical Data of Chernovite-(Y)
|RI values:||nω = 1.783 nε = 1.879|
|Maximum Birefringence:||δ = 0.096|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
|Surface Relief:||Very High|
Chemical Properties of Chernovite-(Y)
|Simplified for copy/paste:||Y(AsO4)|
|Essential elements:||As, O, Y|
|All elements listed in formula:||As, O, Y|
Relationship of Chernovite-(Y) to other Species
|Series:||Forms a series with Xenotime-(Y) (see here)|
|Member of:||Xenotime Group|
|Other Members of Group:|
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Chernovite-(Y)
|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 Chernovite-(Y)
American Mineralogist: 53: 1777.
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 96: 699-704.
Mineralogical Magazine: 39: 145-151.
Internet Links for Chernovite-(Y)
Localities for Chernovite-(Y)
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.