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" and print.
THE ROCK PROFESSOR
Chemistry: fluorine aluminium silicate ♦ Crystal Form: Orthorhombic system ♦
Moh's Hardness: 8 ♦ Cleavage is perfect in one direction, basal ♦ Fracture is conchoidal ♦
Color: Earth Color, yellow, yellow-brown, honey-yellow, flax, brown, green, blue, light blue, red and pink ♦ Localities: Minas Gerias, Brazil; Pakistan; San Diego County, CA; Ural Mountains, Russia; Mexico and the Thomas Range, Utah.