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Faden Quartz On Calcite Palygorskite

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JWK740924

Faden Quartz On Calcite Palygorskite

Description Tabs

Description
Locality: 
Le Noirey, Savoie, Auvergne-Rhône-Alpes, France
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5 × 2.5 cm
Weight: 
64.00gr
Description

A glossy faden quartz sitting on the center of a parallel-growth calcite scalenohedrons cluster, slightly dyed by iron oxides. At the back side, some palygorskite occurs as greyish aggregates.

An uncommon specimen from this locale.

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Palygorskite

Formula: 
(Mg,Al)5(Si,Al)8O20(OH)2·8H2O
Strunz: 
9.EE.20
Hardness: 
2.0 - 2.5
Type Locality: 
Second Mine, Popovka River, Palygorskaya Distance of Perm Railways, Permskaya Oblast', Middle Urals, Urals Region, Russia...

Seller Information

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Seller's terms and conditions

The Cristosud team wishes to offer you the best service. In order to have your parcel shipped as soon as possible, please complete the payment within the 7 days following the purchase date. In cases you want to combine several specimens and save on shipping fees, or you encounter an issue completing the payment, please let us know by emailing us, so we can arrange it together.

We accept returns within 14 days after you received the item, in accordance with the French law. Return fees are at the expense of the buyer, except if you receive a damaged specimen, or an item different from what the description stated.

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