What is Moldavite?


Moldavite is a form of tektite, and is believed to have formed about 15 million years ago during a meteorite impact. It’s primarily found in the southern Germany/Czech Republic area. Moldavite is often used as a gemstone and is popular for its unique green color and extraterrestrial origin.

Moldavite is a rare and unique gemstone that comes in shades of green. Its unique appearance and extraterrestrial origin make it a popular choice for jewelry and decorative items, especially pendants and beads.

Gemstone Properties

Chemical ClassificationInorganic - Tektite (Natural glass formed from meteorite impact)
ColorMoldavite is typically a deep green, though shades can vary.
TransparencyTranslucent to opaque.
OccurrenceCzech Republic (specifically the southern Germany/Czech area).
FormationMoldavite was formed about 15 million years ago during a meteorite impact.
DiaphaneityTransparent to translucent
Mohs Hardness5.5 to 6.
Specific Gravity2.32-2.38.
Diagnostic PropertiesGreen, glassy appearance.
Chemical CompositionMostly SiO2 (with various impurities)
Crystal SystemAmorphous (tektite)
Optical PropertiesIsotropic (due to its amorphous nature)
Refractive Index1.480 - 1.510
BirefringenceNone (isotropic due to amorphous nature)
2V angleNot applicable (amorphous)
DispersionNot notably high.