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Schäferite Nosean & Barnesite

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CSL502712

Schäferite Nosean & Barnesite

Rare Mineral

Description Tabs

Description
Locality: 
Liebenbergite Dump, Sounion, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.4 × 0.8 cm
Description

Schäferite is a very rare vanadium bearing garnet group mineral, forms dark brown crystals and masses on slag matrix. There is small area on the backside of the specimen with colorless nosean crystals and red barnesite sprays

Mineral Data
What's on the rock

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

Nosean

Formula: 
Na8(Al6Si6O24)(SO4)·H2O
Strunz: 
9.FB.10
Hardness: 
5.5
Type Locality: 
Sandkuhle, Maria Laach, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany

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
Loranth Minerals

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