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Heidornite

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AMM997852

Heidornite

Rare Mineral

Description Tabs

Description
Locality: 
Kohnstein Quarry, Niedersachswerfen, Nordhausen District, Thuringia, Germany
Class: 
Single Crystal
Size Range: 
Micromount (under 1cm)
Size: 
0.4 × 0.2 × 0.2 cm
Description

Excellent sharp pyramidal heidornite crystal with typical striation. Very rare mineral.

Heidornite is only known from two localities worldwide. Rare.

Mineral Data
What's on the rock

Heidornite

Formula: 
Na2Ca3B5O8(SO4)2Cl(OH)2
Strunz: 
6.EC.30
Hardness: 
4.0 - 5.0
Type Locality: 
Frenswegen 3 deep bore, Frenswegen, Nordhorn, Lower Saxony, Germany

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.