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Andesine

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PDM1041356

Andesine

Classic Locality

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Description
Locality: 
Saint-Raphaël, Draguignan, Var, Provence-Alpes-Cote d'Azur, France
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 4.9 × 2.6 cm
Weight: 
53.00gr
Description

A super classic and rarely available specimen of andesine from Saint-Raphaël (Var), likely from the Boulouris area. These specimens are well known since the end of the XIX Century, i.e. Des Cloizeaux (1884)* describes:

”L'analyse de cristaux provenant des porphyres de Fréjus (dens. 2,68) et de Saint-Raphaël, département du Yar (dens. 2,678), ont fourni à MM. Rammelsberg et Sipocz des résultats qui conduisent aux rapports 1:3:7,5 et 1 : 3 : 7, 4 identiques avec ceux de l'andésine limpide de Rochesauve dans l'Ardèche.”

”The analysis of crystals from the porphyries of Fréjus (dens. 2.68) and Saint-Raphaël, department of Yar (dens. 2.678), provided MM. Rammelsberg and Sipocz results which lead to the ratios 1:3:7.5 and 1:3:7.4 identical with those of clear andesine from Rochesauve in Ardèche”.

Acquired in 1978 to Krantz (with original label) by Wilfred Moorer (1945-2015), #2685.

Combine specimens to reduce shipping costs!.

 

*Des Cloizeaux Alfred (1884). Oligoclases et andésines. In: Bulletin de la Société minéralogique de France, volume 7, 7,. pp. 249-336.

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Mineral Data
What's on the rock

Andesine

Variety Of: 

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Hardness: 
6.0 - 6.5
Formula: 
(Na,Ca)[Al(Si,Al)Si2O8]
Strunz: 
9.FA.35
Crystal System: 
Triclinic
Hardness: 
6.0 - 6.5
Streak: 
White

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Shipping Information

Postage Area Price
Belgium <2Kg (Unregistered)
€7
NL, DE, FR, LU <2Kg (Unregistered)
€11
Rest EU <2Kg (Unregistered)
€12
EUROPE (NO EU) <2Kg (Unregistered)
€14
USA <2Kg (Unregistered)
€14
REST OF THE WORLD <2Kg (Unregistered)
€14
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We will always apply the best rate for the buyer, combining shipments as you like. 

We use the Belgian Postal Service. Shipments are NON registered, unless Customers indicate that they want registered shipment. In any case, all specimens (of group of specimens) sold over €100 will be always shipped as registered post.

Refunds are possible. PayPal fees (~6%) and shipping costs are not refunded.

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