| Mineral | CHRYSOCOLLA |
| Chemistry | (CuAl) 2 H 2 Si 2 O 5 (OH) 4 ·nH 2 O |
| Class | Silicates |
| Uses | minor ore of copper and an ornamental stone. |
| Color | Green bluish Green blue blackish blue or brown |
| Luster | VitreousWaxyEarthy |
| Transparency | specimens are translucent to opaque. |
| CrystalSystem | Orthorhombic |
| Cleavage | None Observed None |
| Fracture | absent. |
| Hardness | 2½ - 3½ |
| Streak | Light green |
| AssociatedMinerals | Found in the oxidation zone of copper depositsoften encrusting or replacing earler secondary minerals. |
| Characteristics | may have an opal like appearance. |
| Occurences | include Arizona, Utah, New Mexico and Pennsylvania, USA; Isreal; Zaire and England. |
| Indicators | lack of crystals, color, fracture, low density and softness. |
| DensityNote | very light |
| IMAStatus | Approved |
| CellParameters | a = 5.7b = 8.9c = 6.7 |
| Ratio | a:b:c = 0.64 : 1 : 0.753 |
| OpticalType | Uniaxial (+) |
| RI | n ω =1.460 n ε =1.570 |
| Birefringence | δ=0.110 |
| SurfaceRelief | Low |
| Strunz | 8/E.21-20 8 : Silicates E : Cyclosilicatestriplet rings [Si3O9]6- 21 : Dioptase - Chrysocolla series |
| FolkLore | Revitalizies & calms the base, naval, and solar plexus chakras. If worn at the throat chakra it can give strength and balance to expression and communicaiton. Said to produce inner strength, helping to carry a person through stressful and/or extended situations. Said to purify the home and envirnoment. It is said to promote harmony by releasing distress caused from negative emotions (e.g. - animosity, remorse, indignation) & working to eliminate negativity from a person overall. |
