Free form Calcite Crystal Rough - Iceland Spar

Choose in "Options":
- Rough Stone 1 Size: 45 x 30 x 20mm / 64Gr (Photos 1 and 2)
- Rough Stone 2 Size: 43 x 30 x 22mm / 74Gr (Photos 3 and 4)

**Contract photos**

Mexico

Very clear calcite crystals (rhombs) shows double image refraction due to their high birefringence.