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Cryptomelane

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SMM1159702

Description Tabs

Description
Locality: 
Montaldo Mine, Borgata Oberti, Cuneo Province, Piedmont, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.5 × 1.2 cm
Description

Very good, shiny steel-gray bundles of prismatic crystals stand out of the matrix. 

Pretty sample!

 

Shipping to USA informations:

No duties are required for collectible minerals. 

Starting January 1st, a new shipping service to the USA will be available with low prices, very similar to those in effect before August 31, 2025.

Boxed with Label
Mineral Data
What's on the rock

Cryptomelane

Formula: 
K(Mn4+7Mn3+)O16
Strunz: 
4.DK.05a
Crystal System: 
Tetragonal
Hardness: 
5.0 - 6.5
Type Locality: 
Tombstone, Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA

Current price

Starting price

10
(reserve not met) (reserve met)

You are the highest bidder

You have been outbid

Proxy bid set
Delayed bid pending at
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Your maximum bid €:

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Start 07 Jan 18:00
End
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Shipping Information

Postage Area Price
Italy up to 100 g. €.9.00 - up to 250 g. €.11.00
10
Europe up to 100 g. €.13.00 - up to 250 €.15.00
13
America, Africa, Asia, up to 100g. €.14.00 up to 250g. €.19.00
14
Australia,N.Zeland,Oceania,up to100 g.€.16.00 up to 250g.€.21.00
15
United States-USA up to 100g. €.14.00 up to 250g. €.19.00
14

Seller Information

Payment options: offline, paypal_wpp, paypal_wps