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Prehnite & Calcite

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HAN712604

Prehnite & Calcite

Description Tabs

Description
Locality: 
Tafelkop, Goboboseb, Brandberg, Dâures, Erongo Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.87 × 2.75 cm
Weight: 
23.70gr
Description

 Spheroidal Prehnite growth with  polycrystalline surface.  translucent, bright with a uniform pale green color with small clear calcite crystals on matrix.

Mineral Data
What's on the rock

Prehnite

Formula: 
Ca2Al2Si3O10(OH)2
Strunz: 
9.DP.20
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Karoo dolerites, Cradock, Chris Hani District, Eastern Cape Province, South Africa

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

After a sale we expect to receive the payment with Pay Pal within 48 hours. You can return the goods within 14 days of receiving them by registered priority mail with tracking number. Buyer pays the costs of the return shipping