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Nontronite

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JWM1078331

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Description
Locality: 
Agua Fria Claim, Coronel Murta, Minas Gerais, Brazil
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4.7 × 3.5 cm
Weight: 
51.00gr
Description

Nontronite is an iron rich member of the smectite group of clay minerals, with a vivid green color.  There are very few deposits of nontronite.

Actual shipping cost will be calculated and added to the invoice.

Boxed with Label
Mineral Data
What's on the rock

Nontronite

Formula: 
Na0.3Fe2((Si,Al)4O10)(OH)2·nH2O
Strunz: 
9.EC.40
Hardness: 
1.5 - 2.0
Type Locality: 
Saint-Pardoux-la-Rivière, Dordogne, Aquitaine, France

Current price

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Starting price

$48
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Start 31 Oct 18:00
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Shipping Information

Postage Area Price
United States
$10
Europe
$20
Rest of world
$30

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Payment accepted through Paypal using the email mineralsjw@gmail.com.  

Bid History

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