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Prehnite Amethyst Quartz & Calcite

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SSM742114

Prehnite Amethyst Quartz & Calcite

Description Tabs

Description
Locality: 
Goboboseb Mountains, Brandberg, Dâures, Erongo Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.6 × 8.4 × 4.4 cm
Weight: 
212.96gr
Description

A lustrous specimen with green prehnite, amethyst quartz and calcite crystals on a basalt matrix. There is some peripheral damage on this piece.

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

Amethyst

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0
Colour: 
Purple

Quartz

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

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

Our parcels are sent via post office airmail with a tracking number. Delivery times will vary with destination and we estimate 3-4 weeks. Please note that Customs can delay the shipment and this is out of our control. Please contact us to assit with tracking if you are experiencing longer than expected delays. 

Please note that all of our specimens are carefully packaged and marked as fragile. As soon as it has been posted, we shall e-mail you with the tracking number of the parcel.

Courier services are available on request. 

Insurance will be taken out only if it is the buyer's express wish. 

If your country has Customs and Import duty fees, it will have to be for your account.

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