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Stilbite & Quartz

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WND813867

Stilbite & Quartz

Ex Joachim Hennrich Collection
Classic Locality

Description Tabs

Description
Locality: 
Bellwald, Goms, Valais, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11.7 × 8.2 × 5.8 cm
Description

This superfine combination piece features numerous of well defined, bow tie -shaped crystals of Stilbite, accompanied by gemmy Rockcrystals and one very exposed major Rockcrystal as well. The Stilbite is pearly lustrous, mostly undamaged and also excellent terminated. The display side is perfectly scattered with this species and the backside is totally covered with it. The major Rockcrystal is excellent developed, razor sharp and highly lustrous. Only minor dings are visible. This fine specimen comes with an acrylic base.

Mineral Data
What's on the rock

Stilbite

Synonym Of: 

Stilbite-Ca

Formula: 
NaCa4[Al9Si27O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0

Stilbite-Na

Formula: 
(Na,Ca,K)6-7[Al8Si28O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0
Hardness: 
3.5 - 4
Colour: 
White
Streak: 
White

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
Wendel Minerals

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