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Harmotome

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LOT782068

Harmotome

Rare Mineral

Description Tabs

Description
Locality: 
Uranium Mine #19, Dubenec, Příbram, Central Bohemian Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 3 × 0.9 cm
Weight: 
8.58gr
Description

Rare specimen from zeolite group. Well-formed white/grey crystals on little matrix.

(5360)

Mineral Data
What's on the rock

Harmotome

Formula: 
(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O
Strunz: 
9.GC.10
Crystal System: 
Monoclinic
Hardness: 
4.0 - 5.0
Streak: 
White
Type Locality: 
St Andreasberg, St Andreasberg District, Harz, Lower Saxony, Germany

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

We always send a Priority Shipment with tracking by Polish Post. Combine shipping is also possible just ask  before You pay for purchase. We ship within 1-2 working days after received your payment. From the moment you receive the package, you have 14 days to return it without giving any reason. The cost of return shipment is your responsibility. Please note that all duties, taxes and charges are not included in the shipping cost (applies to orders from outside the EU) If You have any questions about item or shipping just send message and I will gladly help you.