Moldavite Specimen from the Czech Republic.
Moldavite Specimen from the Czech Republic.

Moldavite is formed from melted rock resulting from a meteorite strike. The surface of these small specimens can be rippled (roiled), wavy, pitted and generally not smooth. Not usually seen in jewelry, but its popularity is on the rise.

Gemological Information for Moldavite

Color:Varies from Green to Brownish Green to Black
Crystal Structure:Amorphous
Refractive Index:1.48 – 1.50
Durability:Moderately good
Similar Stones:Glass
Country of Origin:Found in Many Locations, the Location is Usually Part of the Name i.e. Georgiaite, Australite

Moldavite Care

Ultrasonic Cleaning:Probably Safe
Steam Cleaning:Not Safe
Warm Soapy Water:Probably Safe
Chemical Attack:Reacts to Hydrofluoric Acid
Light Sensitivity:None
Heat Sensitivity:Rapid Temperature Changes can Cause Breakage
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