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Efremovite

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AMM1051120

Efremovite

Classic Locality

Description Tabs

Description
Locality: 
Kladno Mine, Libušin, Kladno, Central Bohemian Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 0.7 × 0.6 cm
Description

Fine specimen with fine crystallized white efremovite on dark matrix.

Efremovite is only known from a few localities worldwide.

Mineral Data
What's on the rock

Efremovite

Formula: 
(NH4)2Mg2(SO4)3
Strunz: 
7.AC.10
Crystal System: 
Isometric
Hardness: 
2.0
Type Locality: 
Coal mine No. 43, Kopeisk, Chelyabinsk coal basin, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

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.