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Diaspore

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Description
Locality: 
Muğla, Menteşe District, Muğla Province, Turkey
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 1.05 × 0.5 cm
Largest Crystal: 
1.20cm
Description

Symmetric twin of diaspore from a famous locality obtained directly from the miners. These twins come from a special place in the mine known only to locals who keep their source a secret. Diaspore crystals formed at the contact of hard, dark-brown metabauxite and porous limonite ore. All the crystals in these layers are twinned. 

The crystal on display has a brilliant luster and superb transparency, with a tender purple color under artificial light, and a green hue at its center. Under daylight, the green hue prevails. The crystal is morphologically very complex with multiple reentrant angles seen on the upper termination. The specimen is quite unique also because it developed a tail that grew across the twin plane on the bottom side. The tail formed because the crystal was not attached at the bottom, like most of other twins, but on its back side, as shown in the photographs. The contacts are fully recrystallized.

Mineral Data
What's on the rock

Diaspore

Formula: 
AlO(OH)
Strunz: 
4.FD.10
Hardness: 
6.5 - 7.0
Streak: 
white
Type Locality: 
Mramorskii Zavod (Mramorsk Zavod), Kosoi Brod Village, Ekaterinburg (Sverdlovsk), Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...

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200
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Start 02 Jan 18:00
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Shipping Information

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Europe
12
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15

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Upon auction close, you will be sent an invoice indicating final value of the specimen. Payments must be made within 7 days of auction close. If you would like your package held for any reason please inform us when you prefer the shipment to be made, and we can make an arrangement.

All transactions must be in currency requested in the invoice. Preferred payment is via PayPal, this is accessed securely and automatically through the invoice. Transactions on e-Rocks using PayPal are covered by PayPal's Buyer/Seller Protection. Payments might also be accepted offline or via interbank electronic transfer (IBAN). We supply details if that is your preference. Once we receive the payment for your specimen(s) they will be packed and shipped within reasonable time.

If are not happy with your purchase, we accept a return. You have a 10-day approval and right to return a specimen(s). Please notify us immediately, and send it back within the 10 days after the receipt. Once it has been received in the condition it was sent we will arrange a refund. If an item is not back with us after 15 days, it will be assumed that you are intending to keep the specimen and the transaction will become final.

For details see the e-rocks Terms and Conditions policy.

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