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Ettringite

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FRR1086951

Ettringite

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.7 × 1.7 cm
Largest Crystal: 
0.90cm
Description

Fine cluster with a rich coverage of prisms of yellow Ettringite on massive braunite matrix.
These specimens came out some decades ago, but they were quickly dried up from the market and are nowadays quite difficult to be found.

From the P. Bamberga collection.

Mineral Data
What's on the rock

Ettringite

Formula: 
Ca6Al2(SO4)3(OH)12·26H2O
Strunz: 
7.DG.15
Hardness: 
2.0 - 2.5
Type Locality: 
Ettringer Feld, Western lava flow, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany

Current price

Starting price

10
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Start 27 Dec 18:00
End
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Shipping Information

Postage Area Price
Inside Italy
10
Other EU Countries
18
USA, Canada, South America
34
Asia, Oceania
45

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

The item can be returned for whichever reason, provided its original conditions, and within 10 days from its delivery to the Buyer. In the case of returning, the Buyer will be entitled to the refund of the item price; shipping costs will remain at the Buyer's charge in any case.

Bid History

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