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Ursilite & Gypsum

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UMM706108

Ursilite & Gypsum

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Description Tabs

Description
Locality: 
Uranus Mine, Kleinrückerswalde, Annaberg-Buchholz, Erzgebirge, Saxony, Germany
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2 × 1 cm
Description

This is a extremely rare Uranium- Silikate. The yellow Magnesio -Urselite looks like amber. It ist connected with Gypsum on Gneise.

It comes from the old Uranium- and Silvermine "Uranus" near Annaberg Buchholz / Saxony.

The mineral was analysed by EDX and XRD.

Boxed with Label
Mineral Data
What's on the rock

Ursilite

Formula: 
(Mg,Ca)4(UO2)4(Si2O5)5.5(OH)5·13H2O
Strunz: 
9.AK.35
Crystal System: 
Orthorhombic
Hardness: 
2.0 - 3.0
Type Locality: 
Oktyabr'skoye U Deposit, Kyzyltyube-Sai, Khodzhent (Leninabad), Viloyati Sogd (Viloyati Sughd; Viloyati Khodzhent; Viloyati Leninabad), Tajikistan...

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Es gelten die allgemeinen Geschäftsbedingungen nach deutschem BGB.