Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Groutite

Views:
Watches:
MEX540625

Groutite

Classic Locality

Description Tabs

Description
Locality: 
Bülten-Adenstedt Mine, Ilsede, Peine District, Lower Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 1.7 × 1 cm
Weight: 
4.00gr
Description

Fantastic, high lustrous, well terminated groutite crystal group on matrix.

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