Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Groutite

Views:
Watches:
CAM153365

Groutite

Classic Locality

Description Tabs

Description
Locality: 
Bülten-Adenstedt Mine, Ilsede, Peine District, Lower Saxony, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 4 × 2 cm
Largest Crystal: 
0.40cm
Description

A German classic; groutite from the Emilie Mine (or Bulten-Adenstedt Mine).
This specimen has a rich coverage of intergrown lustrous black groutite crystals, up to 4 mm, and crystalline masses in a vug in a manganese-oxide nodule.

Mineral Data
What's on the rock

Groutite

Formula: 
Mn3+O(OH)
Strunz: 
4.FD.10
Hardness: 
3.5 - 4.0
Type Locality: 
Sagamore Mangan No. 2 pit, Ironton, Cuyuna North Range, Crow Wing Co., Minnesota, USA
Cartils Minerals

Seller Information

Payment options: offline, paypal_wpp, paypal_wps