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Kidwellite

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MEX1038362

Kidwellite

Classic Locality

Description Tabs

Description
Locality: 
Beauvoir Quarry, Échassières, Ébreuil, Allier, Auvergne-Rhône-Alpes, France
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1.9 × 1.2 cm
Weight: 
6.00gr
Description

A very rich small specimen with white crystallized crusts of kidwellite from the large kaolinite quarry beauvoir near echassieres. The kidwellite crystals appear to have formed perimorphously around an already dissolved mineral. The matrix consists of quartz crystals.

Mineral Data
What's on the rock

Kidwellite

Formula: 
NaFe3+9(PO4)6(OH)11·3H2O
Strunz: 
8.DK.20
Hardness: 
3.0
Streak: 
yellow
Type Locality: 
Fodderstack Mountain, Norman, Montgomery Co., Arkansas, USA

Current price

$

Starting price

$10
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Start 03 May 18:00
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Shipping Information

Postage Area Price
Germany
6
EU+EuropePlus (Zone 1+2)
15
worldwide (to 500g)
$17
worldwide (to 5kg and El Salvador, ...)
$55