Carbonate minerals and their features
Carbonate minerals are those minerals containing the carbonate ion, CO2−3.
Azurite & Malachite
From Morocco
Calcite
From Kütahya, Türkiye.
Azurite & Malachite
Chemical Formula of Malachite : Cu2CO3(OH)2
Chemical Formula of Azurite : Cu3(CO3)2(OH)
Crystal System : Monoclinic
Mohs Scale : 3.5 - 4
From Morocco
Calcite & Chalcedony
From Manisa, Turkey.
Smithsonite
Chemical Formula : ZnCO3
Crystal System : Trigonal
Mohs Scale : 4.5
Common impurities : Co,Cu,Mn,Ca,Cd,Mg,In
Aragonite
Chemical Formula : CaCO3
Crystal System : Orthorhombic
Mohs Scale : 3.5 - 4
Specific Gravity : 2.94
Common impurities : Pb , Sr (strontium) , Zr
From Morocco
Calcite
Calcite
Chemical Formula : CaCO3
Crystal System : Trigonal
Mohs Scale : 3
Malachite
Chemical Formula : Cu2CO3(OH)2
Crystal System : Monoclinic
Mohs Scale : 3.5 - 4
Specific Gravity : 3.64-4
Calcite
From Kütahya, Turkey.
Popcorn Calcite
Calcite
From Kütahya, Turkey.
Azurite & Malachite
Chemical Formula of Malachite : Cu2CO3(OH)2
Chemical Formula of Azurite : Cu3(CO3)2(OH)
Crystal System : Monoclinic
Mohs Scale : 3.5 - 4
Specific Gravity : 3.6 - 4
Calcite
From Manisa, Turkey
Aragonite
Calcite
From Manisa, Turkey.
Calcite
From Manisa, Turkey.
Calcite & Sulphur
From Turkey
Banded Calcite
Malachite
Calcite
Smithsonite
