Brownite stone is found in "Mexico" / "Germany" / "Brazil" and "Sweden",
It is characterized by several chemical and physical properties, including:
Physical properties
- The shape is hierarchical
- The group is oxides
- Scratch black / brown / steel
- Hardness 6.5 / 6
- Color black / brown / gray / steel
- Translucent / Opaque
- Sparkles under my metallic
Chemical properties
- Density 4.8
- Quadrilateral crystal system
- The chemical formula is manganese oxide