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Stilbite

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QRC596828

Stilbite

Ex coll. G. Marchetti

Description Tabs

Description
Locality: 
Bosa, Oristano Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 6 × 6.5 cm
Largest Crystal: 
2.20cm
Weight: 
295.00gr
Description

Perlaceous, fan-grouped, cream coloured crystals of stilbite (up to 2.2 cm in size) on an altered volcanic rock. The biggest crystals stand out off a bed of small, transparent stilbite and heulandite.

The luster and overall quality of the stilbite is excellent.

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

Current price

$

Starting price

$55
(reserve not met) (reserve met)

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Start 19 Aug 18:00
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Shipping Information

Postage Area Price
Italy - Courier
7.50
Europe, Russia, Mediterranean Basin - Registered Mail
14
Canada, USA, Japan, South America - Registered Mail
18
Australia, New Zealand, Pacific Islands - Registered Mail
23

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Minerals on auction are from worldwide locations, with a special focus on Italian classics.

Specimens offered are of high quality for different kinds of collectors and are always shown throught the best possible picture in order to present all their features.

Returns will be accepted within 15 days of receipt of goods. All we ask is that you contact us directly by e-mail within 15 days if the item(s) you receive has some problem. A refund for the purchase price less shipping will be issued as soon as we receive the item(s) back in unaltered condition . Please pack them to survive the trip. Sorry, shipping and insurance charges are not refundable. Postage for returned merchandise is at your cost.

Please note that we will not accept returns after 15 days, nor will we accept them unless we have first received notification from you of your intentions.