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Stilbite Smoky Quartz & Feldspar

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OCM744289

Stilbite Smoky Quartz & Feldspar

Classic Locality

Description Tabs

Description
Locality: 
Strzegom, Strzegom-Sobótka Massif, Lower Silesian Voivodeship, Poland
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.5 × 6 × 4.5 cm
Largest Crystal: 
3.00cm
Weight: 
87.00gr
Description

A contrast specimen contains almost black crystals of quartz, interesting green stilbite crystals on a greenish feldspar matrix.

Mineral Data
What's on the rock

Stilbite

Synonym Of: 

Stilbite-Ca

Formula: 
NaCa4[Al9Si27O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0

Stilbite-Na

Formula: 
(Na,Ca,K)6-7[Al8Si28O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0
Hardness: 
3.5 - 4
Colour: 
White
Streak: 
White

Smoky Quartz

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0

Feldspar

Group Parent: 
Feldspar Group

Current price

$

Starting price

$50
(reserve not met) (reserve met)

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Start 18 Jan 18:00
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Shipping Information

Postage Area Price
Poland
$5
Europe & Cyprus & Israel & Turkey
$15
Rest of the world
$17

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

We accept return if you are not satisfied with your purchase or a specimen is broken during transport. After you received the specimen you have 14 days to make a decision, then please inform us by an e-mail and we will arrange the refund.

When an auction is closed, you will received an invoice with a value of the specimen. Payments has to be made within 7 days after auction is closed. If you have not finished shopping on our account, please let us know how long you wish to keep your shopping cart open. Inform us by an e-mail that you are still bidding or for any reason your payment is going to be delayed. 

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