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Krutovite & Falcondoite

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MNR722857

Krutovite & Falcondoite

Classic Locality

Description Tabs

Description
Locality: 
Dobšiná, Rožňava County, Košice Region, Slovakia (Slovak Republic)
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.4 × 1.3 cm
Description

Rare nickel-arsenate krutovite confirmed by PXRD and EMPA-WDS. Sample presents silvery-white grains of krutovite.

Krutovite grains are in green falcondoite.

Mineral Data
What's on the rock

Krutovite

Formula: 
NiAs2
Strunz: 
2.EB.25
Crystal System: 
Isometric
Hardness: 
5.5
Type Locality: 
Potûčky (Breitenbach), Horní Blatná District (Platten), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Falcondoite

Formula: 
(Ni,Mg)4Si6O15(OH)2·6H2O
Strunz: 
9.EE.25
Crystal System: 
Orthorhombic
Hardness: 
2.0 - 3.0
Type Locality: 
Loma Peguera, Bonao, Monseñor Nouel Province, Dominican Republic
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