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Ettringite

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AMM1169662

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Description
Locality: 
NChwaning Mines, Kuruman, Northern Cape Province, South Africa
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1 × 1 cm
Largest Crystal: 
2.10cm
Description

Fine and beautiful strong yellow ettringite single crystal of best quality. The ettringite single crystals shows a typical six-sided columnar structure with a little black matrix. The crystal reach to length of 2.1 centimetres. This is an excellent ettringite crystal aggregate.

The specimen comes from the collection of Dr. G. Jung, who received it in 1986.

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USA customers: Low-priced shipping is back - usually only €12 (may vary for larger minerals).

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

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$10
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Start 08 Mar 18:00
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Shipping Information

Postage Area Price
Germany (insured parcel)
€6.50
Worldwide (tracked)
€10
USA (tracked)
€12
USA (tracked, > 0,5 kg)
€22
European Union (tracked, > 1 kg)
€18
View sellers shipping policy

Combined shipping of multiple specimens is standard after full payment.

Multiple pieces may incur increased postage costs due to higher weight. 

For questions about shipping or possible costs, feel free to contact me: 

[email protected]

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Accepted payment methods: PayPal, bank transfer.

Money back guarantee is valid until 14 days after receiving the payment. The refund will be initiated immediately upon receiving the minerals back. Due to the return time, there may be a delay in the refund. 

Bid History

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