Minerals & Gemstone 480x104
Minerals & Gemstone 480x104
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Glossary of Terms
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Paramorph
A pseudomorph involving two minerals with an identical composition but different crystal structures. The original mineral forms, but conditions then cause it to be unstable, so it transforms into the other mineral with the same chemical structure while retaining the original crystal shape.

The best example of this is Aragonite that becomes unstable and transforms into Calcite, while retaining the original orthorhombic shape.




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