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
Group : Orthoclase Feldspar ♦ Variety: moonstone ♦ Crystal Form: Monoclinic ♦ Moh's Hardness: 6.0 ♦ Chemstry: Sodium Potassium Aluminium Silicate ♦ Luster: Vitreous, pearly ♦ Fracture: Uneven to Conchoidal ♦ Color: Grey, white, pink, green, brown, deep blue ♦
Localities: Sri Lanka, Burma, Brazil, India, Madagascar, USA