3054 - Psilomelane

At-A-Glance

Country of Origin

Romanèche-Thorins
France

Photos

Essential Information

Specimen ID

3054

Mineral Name

Psilomelane

Chemical Formula

(Ba,H2O)2Mn5O10

Subcollection

Beck Economic Geology
Specimen Number
033

Sticker 105

Dull black botryoidal mass with cavities

Geographic Origin

Locality Nickname

Romanèche-Thorins, France

Locality Lat/Long

46.188994, 4.733571
Original Attributed Locality
Department Seine and Loire
Romaneche