These samples of green turquoise come from the Little Chalchihuitl Mine in Cerrillos, New Mexico. Limited amounts of the green turquoise are found there. The green coloration is due to iron.
Location: Little Chalchihuitl Mine, Cerrillos, New Mexico
Hydrous Copper Aluminum Phosphate.
Currently available at the Cerrillos Turquoise Mining Museum & Rock Shop
Specimen submission courtesy of Todd & Patricia Brown
General Turquoise Information
Color Range: blue, blue - green, green, white, yellowish-green
Crystal Habit: massive, nodular, single crystals rare
Crystal System: triclinic
Mohs Scale of Hardness: 5 - 6
Streak: bluish to white
Specific Gravity: 2.6 - 2.9