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Kaňkite & Zýkaite On Quartz

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GMB209815

Kaňkite & Zýkaite On Quartz

Description Tabs

Description
Locality: 
Beschert Glück Mine, Zug, Freiberg, Mittelsachsen, Saxony, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 9 × 6 cm
Description

On nice milky quartz crystals grows white zykaite and green crystals of kankite. Some amorphous piticite occurres on the back side. Within the quartz matrix occurres black tennantite. Such secondary minerals are not often seen on crystallized matrix from this classic locality.

Mineral Data
What's on the rock

Kaňkite

Formula: 
FeAsO4·3.5H2O
Strunz: 
8.CE.60
Hardness: 
2.0 - 3.0
Type Locality: 
Kaňk, Kutná Hora (Kuttenberg), Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic

Zýkaite

Formula: 
Fe3+4(AsO4)3(SO4)(OH)·15H2O
Strunz: 
8.DB.45
Crystal System: 
Orthorhombic
Hardness: 
2.0
Streak: 
White
Type Locality: 
Safary mine, Kaňk, Kutná Hora (Kuttenberg), Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic

Quartz

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

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

For payment within EU money transfer is preferred:

Marco Drechsel

SPK Mittelsachsen

SWIFT/BIC-Code: WELADED1FGX

IBAN: DE49 870520004111076110