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
Chemistry: MnSiO3 ♦ Chemical group: silicate ♦ Crystal system: triclinic ♦
Transparency: transparent to translucent ♦ Luster: vitreous ♦ Moh's hardness: 5.5-6.5 ♦
Fracture conchoidal to uneven ♦ Color: light brownish red, flesh red, rose pink ♦
Cleavage: 2 directions are perfect, one direction imperfect ♦ Localities: Worldwide, with notable occurrences in Brazil, Uruguay, Ontario, Mexico, Maine, North Carolina, Pennsylvania, Colorado.