Hemstone is found in Bahia / Brazil and has the following chemical and physical properties:
Physical properties
- The shape is subtle crystallization
- Silicate minerals group
- White scratching
- Hardness 7
- The color is dark green / contains red spots
- Translucent / Opaque
- Vitreous sparkle
Chemical properties
- The refractive index is not penetrated by light
- Density 2.7
- Hexagonal / triple crystal system
- The chemical formula is silicon dioxide