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Topaz Var Pyknite Zinnwaldite & Quartz

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TBM1160969

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Description
Locality: 
Tin Mine, Altenberg, Sächsische Schweiz-Osterzgebirge, Saxony, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
5 × 9.5 × 6 cm
Largest Crystal: 
4.00cm
Weight: 
326.00gr
Description

Very nice typical parallel growths of Topaz crystals up to 40 mm, columnar and fibrous with uniform yellow color with  Zinnwaldite crystals up to 20 mm and massive Quartz. This kind of Topaz, historically well known as the variety Pyknite, is a classic of German mineralogy.

Mineral Data
What's on the rock

Topaz

Formula: 
Al2(SiO4)(F,OH)2
Strunz: 
9.AF.35
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
8.0
Streak: 
White

Pyknite

Variety Of: 

Topaz

Formula: 
Al2(SiO4)(F,OH)2
Strunz: 
9.AF.35
Hardness: 
8.0
Hardness: 
0.0
Streak: 
white

Quartz

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

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Start 15 Jan 18:00
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Shipping Information

Postage Area Price
ITALY
9.50
EUROPE ( AREA 1)
13.50
EUROPE ( AREA 1A)
19
USA
41
AMERICAN - UK - ASIA - AFRICA - OCEANIA ( AREA 2):
19
OCEANIA ( AREA 3):
21

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