tangledwing:
Azurite (deep blue copper mineral Cu3(CO3)2(OH)2) and Malachite, copper carbonate hydroxide mineral, with the formula Cu2CO3(OH)2. Specimen found in China.
Azurite (deep blue copper mineral Cu3(CO3)2(OH)2) and Malachite, copper carbonate hydroxide mineral, with the formula Cu2CO3(OH)2. Specimen found in China.