Manganite

6.20

Manganite from Bölet manganese mine,Karlsborg, Sweden.

Description

Formula: Mn3+O(OH)

System: Monoclinic

Locality: Bölet manganese mines, Undernäs, Karlsborg, Västergötland, Sweden

Habit: Fibrous

Color: Black

Luster: Metallic

Weight: 95,7 g

Dimensions: 7.9 x 3 x 3.4 cm

Additional information

Weight 200 g
Dimensions 160 × 140 × 115 mm