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Adularia & Stilbite

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Adularia & Stilbite

Classic Locality

Description Tabs

Description
Locality: 
Fibbia, Central St Gotthard Massif, Ticino, Switzerland
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.3 × 6 × 3.5 cm
Largest Crystal: 
3.20cm
Weight: 
65.00gr
Description

Vitreous crystals of adularia in parallel growth, with very good luster. Chlorite underlines some corners, while creamy stilbite covers the faces of the outermost crystals.

A classic from the Swiss Alps.

Mineral Data
What's on the rock

Adularia

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Monoclinic
Hardness: 
6 Ortho - clase

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

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. 

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