Description
All of our Minerals & Crystals are 100% Genuine Specimens & come with a Certificate of Authenticity
Manganite has a composition of manganese oxide-hydroxide, crystallizing in the monoclinic system. The colour is dark steel-grey to iron-black, and the luster brilliant and submetallic. The streak is dark reddish-brown. The hardness is 4, and the specific gravity is 4.3. Manganite occurs with other manganese oxides in deposits formed by circulating meteoric water in the weathering environment in clay deposits and laterites.
SIMILAR TO SEEN:Â The image shows an example of the single specimen you will receive. This will be picked from our stock box graded and with a size within the minimum and maximum size range indicated. It will not be the exact specimen in the photo, the colours, shape, size and style may vary as with any natural item.
