Natural raw mineral malachite malachite teaching specimens
Chemical composition | Cu2 [CO3] (OH) 2 |
Crystal structure | crystal belongs to monoclinic carbonate minerals in |
Form | columnar crystals, needles or fibrous, usually bell emulsion, kidney-shaped, film or earthy aggregates are |
Physical Properties | green, shiny glass, translucent. Mohs hardness of 3.5-4, the proportion of 4-4.5 |
Feature | in case of hydrochloric acid blistering appraisal |
Block | 1cm to 20cm |
Causes and occurrence | produced in the oxidation zone of copper deposit is secondary copper sulfide oxidation product, often symbiotic and azurite, cuprite, limonite, etc., can be used to find the native copper flag |
Uses | Chrysocolla can be used for copper, solid mass of beautiful decorations and crafts can be used as raw material, the powder can do green pigment (called malachite green). |