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Barnesite & Schäferite

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JYJ668082

Barnesite & Schäferite

Description Tabs

Description
Locality: 
Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 2.2 × 1 cm
Description

Red sprays of barnesite among dark schäferite crystals and minor colourless whitlockite. 

Beautiful!

Mineral Data
What's on the rock

Barnesite

Formula: 
(Na,Ca)V6O16·3H2O
Strunz: 
4.HG.45
Crystal System: 
Monoclinic
Hardness: 
3.0
Type Locality: 
Cactus Rat Mine, Cisco, Yellow Cat District (W. part of Thompsons District), Grand Co., Utah, USA

Schäferite

Formula: 
Ca2NaMg2(VO4)3
Strunz: 
8.AC.25
Crystal System: 
Isometric
Hardness: 
5.0
Streak: 
Yellow
Type Locality: 
Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany