amethyst
The most popular quartz is the amethyst. In daylight it is the most impressive. The most intense colour is in the crystal tip, the prisms are usually only weak.
AMETHYST
Colour: violet, pale violet
Mohs hardness: 7
Density: 2.65
Transparency: transparent
Fracture: muscular, very brittle.
AMETHYST
Colour: violet, pale violet
Mohs hardness: 7
Density: 2.65
Transparency: transparent
Fracture: muscular, very brittle.
Subgroups