PRASIOLITE, the green variety of quartz
(also known as Green Amethyst)
- VARIETY OF: Quartz
, SiO 2 .
- USES: Gemstone and ornamental stone.
- COLOR: a pale lime-green
- INDEX OF REFRACTION: 1.544-1.553
- BIREFRINGENCE: 0.009
- HARDNESS: 7
- CLEAVAGE: none
- CRYSTAL SYSTEM: trigonal
- For natural prasiolite mineral specimens see our For Sale or Sold lists