Calcite is found in Iceland's Eskiviode and has the following chemical and physical properties:
Physical properties
- Shape is triangular / rhomboid
- Carbonate Minerals Group
- White scratching
- Hardness 3
- The color is colorless / white
- Not radioactive
- Semi-transparent
- Vitreous sparkle
Chemical properties
- Refractive index 1.48 / 1.66
- Density 2.7
- The crystal system is triangular / hexagonal
- The chemical formula is calcium carbonate