,The crystalline quartz group occurs as prismatic crystals often with pyramidal or bi-pyramidal terminations and is known simply as Quartz. Quartz is composed of silicon dioxide and is transparent to translucent. When clear quartz is imbued with other minerals it takes on various colours and characteristics that form the varieties of quartz, such as Amethyst and Citrine. The colours include, colourless, pink, purple, green, yellow white, brown. grey and black.
When quartz contains silky fibrous inclusions of crocidolite it exhibits chatoyancy and is called tiger eye.
Even though all coloured quartz has inclusions or is irradiated to create the colours, some are more well known and readily available than others.
I have created this page to discuss the well known quartz crystals such as Amethyst, Aventurine, Rose Quartz and Smoky Quartz.
For the crystals with a lot of information I have written a brief overview with a link to the more in-depth crystal page, for the others, the information is here.
IMAGES OF POPULAR QUARTZ VARIETIES
CRYSTALS A - C
CRYSTALS D - F
CRYSTALS G - I
CRYSTALS J - L
CRYSTALS M - O
CRYSTALS P - R
CRYSTALS S - U
CRYSTALS V - Z
POPULAR QUARTZ VARIETIES