Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 Colour: Green, bluish green, blue, blackish blue to black, or brown and rarely yellow Lustre: Vitreous, Waxy, Earthy Hardness: 2½ – 3½ Specific Gravity: 1.93 – 2.4 Crystal System: Orthorhombic
$15.00
Chrysocolla
$6.00
$25.00
$125.00
$65.00
$18.00
$570.00
$135.00
$485.00
$1,685.00
Chrysocolla
$5.00