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Prehnite Tanzanite & Graphite

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CSW1058618

Prehnite Tanzanite & Graphite

Classic Locality

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Description
Locality: 
Merelani Hills, Arusha Region, Tanzania (United Republic)
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.6 × 1.9 cm
Description

A group of yellow green prehnite crystals with a rare associated partial violet coloured tanzanite crystal and some grey graphite. A5

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

Tanzanite

Variety Of: 

Zoisite

Formula: 
{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.10
Hardness: 
6.0 - 7.0
Type Locality: 
Merelani Hills, Arusha Region, Tanzania

Graphite

Formula: 
C
Strunz: 
1.CB.05a
Crystal System: 
Hexagonal
Hardness: 
1.0 - 2.0

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Thank you for viewing my auctions. It goes without saying that maintaining high standards in both specimen quality and customer service are extremely important to me. If for any reason you are not happy with any aspect of your transaction then please let me know as soon as possible, ideally within 1 week of receiving your specimen. I will happily do all in my power to resolve the situation to your satisfaction. If your specimen is damaged upon delivery simply send me some photos to verify this and I'll provide you with a full refund or a replacement specimen, whichever you prefer. 

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