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Grandidierite

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AMM1166050

Description Tabs

Description
Locality: 
Vohibola, Behara, Amboasary Sud, Anosy, Madagascar
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.5 × 1.6 cm
Description

Fine specimen completely of blue-green grandidierite. The crystal aggregate measrues exactly 3 centimetres in length.

Grandidierite is only known from a few localities worldwide.

The specimen comes from the collection of Dr. G. Jung, who received it from Ecole des Mines (Paris, France) in 1980.

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This auction exclusively features large collection specimens, with a minimum size of 3 centimetres (most pieces are significantly larger). These are exceptional or unusual collection specimens from times gone by, some with historical labels and, in most cases, with detailed information about their previous owners and other interesting facts.

Mineral Data
What's on the rock

Grandidierite

Formula: 
(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Strunz: 
9.AJ.05
Hardness: 
7.5
Type Locality: 
Cap Andrahomana, Ranopiso Commune, Taolañaro District (Fort Dauphin), Anosy Region (Fort Dauphin Region), Tuléar Province (Toliara), Madagascar

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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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