Quartz

There are many types of quartz  Amethyst, Ametrine, Smoky, Citrine and clear  are the ones for faceting.

Amethyst

Ametrine

Citrine

Herkimer Diamonds

  quartz with gold needles

Actinolite in Quartz 'Edenite" Madagascar 1995

    This is Prasiolite Quartz  heat treated Amethyst

Rose Quartz

Smoky Quartz with clear Quartz