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Fluorapatite Fluorite Siderite Smoky Quartz & Bavenite

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CLB113916

Fluorapatite Fluorite Siderite Smoky Quartz & Bavenite

Description Tabs

Description
Locality: 
Henneberg Quarry, Weitisberga, Saale-Orla-Kreis, Thuringia, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 5 × 4 cm
Largest Crystal: 
0.80cm
Description

Exceptional specimen with a perfect black fluorite crystal on a well-terminated dark blue fluorapatite crystal of 0.8 cm with greenish siderite crystals, very nice smoky quartz and - I hope I'm right with this - white bavenite on feldspar.

Mineral Data
What's on the rock

Fluorapatite

Formula: 
Ca2Ca3(PO4)3F
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
5.0
Streak: 
White
Type Locality: 
Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Crystal System: 
Isometric
Hardness: 
4.0
Streak: 
White
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

Smoky Quartz

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0

Bavenite

Formula: 
Ca4Be2Al2Si9O26(OH)2
Strunz: 
9.DF.25
Crystal System: 
Orthorhombic
Hardness: 
5.5
Colour: 
White
Type Locality: 
Seula mine (ex Montecatini quarry), Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy

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