MQ 7x14mm high quality olivine gemstones

Size: 7x14mm

Colour: Olivine

Shape: MS

SKU: SP0060



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Peridot Gemstone:

Name:Peridot
Colour:Olivine
Chemical formula:(Mg,Fe)2[SiO4]
Density:3.3-3.5
Proportion:3.34(+0.14,-0.07) 
Absorption spectrum:453nm、477nm and 497nm 
Refractive index:1.654-1.690 
Hardness:6.5-8


what is peridot

peridot and amethyst

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About Peridot

-It is birthstone for the month of August.Peridot is sometimes mistaken for emeralds and other green gems. And in the ancient world, mining of peridot, called topazios then, on St. John's Island in the Red Sea began about 300 B.C.Gemstone Peridot has only one color--Olive(a dark yellowish-green color, like that of unripe or green olives).The formula approaches Mg2SiO4.


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