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Apophyllite

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WND808035

Apophyllite

Ex Robert Jakob Collection
Classic Locality

Description Tabs

Description
Locality: 
Samson Mine, St Andreasberg, Goslar, Lower Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.4 × 4.1 × 2.6 cm
Description

A sparkling, gorgeous, miniature specimen that has a typical Andreasberg matrix draped by sharp crystals of pink apophyllite. Very rare even in the heyday of this silver district. German pink apophyllites have always been desired among collectors for their rarity. This piece is aesthetic and boasts an apophyllite crystal of 1.5cm! Rare on the market, and certainly from the 1800s heyday of this super historic silver-mining district. This superb piece has  partly gemmy and well defined crystals and features a crazy high luster . This is my absolutely favourite specimen of this auction and comes with a fine old label. Ex Robert Jakob Collection.

Mineral Data
What's on the rock

Apophyllite

Synonym Of: 

Fluorapophyllite-(K)

Formula: 
KCa4(Si8O20)(F,OH)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.5 - 5.0

Fluorapophyllite-(Na)

Formula: 
NaCa4(Si8O20)F·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0

Hydroxyapophyllite-(K)

Formula: 
KCa4(Si8O20)(OH,F)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0
Wendel Minerals

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