PERIDOT

4.5 BILLION

Some peridot is ancient: it’s found in pallasite meteorites, remnants of our solar system’s birth.

STARDUST

In 2005, peridot was found in comet dust brought back from the
Stardust robotic space probe.

OLIVINE

Gem variety of the mineral olivine: found in peridotite rock from the
earth’s upper mantle.

FACTS

• Mineral: Olivine
• Chemistry: (MgFe)₂SiO₄
• Color: Yellowish green
• Refractive index: 1.65 to 1.69
• Birefringence: 0.035 to 0.038
• Specific gravity: 3.34
• Mohs Hardness: 6.5 to 7

source:gia.edu