Glossary of Terms

Aragonite group

Group of minerals belonging to the carbonate group that are isomorphous with one another. They all crystallize in the orthorhombic crystal system, exhibit good cleavage (although not as good as the members of the calcite group), have a weak double refraction in transparent specimens, and commonly intergrow in three individuals forming six sided trillings. Well-known members include Aragonite, Cerussite, and Strontianite.

Aragonite is a Member of the Aragonite Group


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