The Rock Professor has provided you with a mineral
information card. Print on stock paper, and cut out to
enhance your rock and mineral products.
To print: with your cursor, highlight the entire card below,
right click and select print, then click on "selection"
|THE ROCK PROFESSOR|
Cactus quartz (spirit quartz) has the mineral properties of the QUARTZ GROUP: Chemistry: Silicon dioxide mineral ♦ Transparency: Transparent to translucent ♦ Luster: Vitreous ♦ Crystal system: Hexagonal, trigonal ♦ Moh's hardness: 7 ♦ Color: Purple amethyst, violet amethyst, smoky, milky clear, golden citrine, others ♦ Locality: South Africa