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Calcite With Goethite

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BRO126874

Calcite With Goethite

Description Tabs

Description
Locality: 
Charcas, Charcas Municipality, San Luis Potosi, Mexico
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.7 × 3.9 × 1.5 cm
Largest Crystal: 
2.30cm
Description

A specimen of calcite coated with goethite, from a recent find in Mexico. The calcite forms rounded plate-like crystals which are coated on the tips with a golden brown to black goethite. Larger images at www.mineralbrothers.com/index.php/?option=com_virtuemart&view=category&virtuemart_category_id=52

Mineral Data
What's on the rock

Calcite

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

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany
Mineral Brothers

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

We try to always have larger pictures of our auction items on our webpage, so be sure to check www.mineralbrothers.com for better images. Shipping rates are stated for each auction item. We ship by US First Class mail. It is the cheapest and usually as fast as priority mail. If you want us to use priority mail please notify us immediately after the auction. Insurance on international shipping is only available for priority mail and is very expensive. We only offer insurance on items or orders over $100 USD. Please notify us ASAP if you want insurance or priority mail. We try to offer discounted shipping rates if you buy more than one item, but it is not always possible on large heavier items. Buyers in New Mexico will be charged the standard state sales tax on all orders, no exceptions.