EMERALD

Mohs Scale Hardness

Specific Gravity

Birefringence

Refractive Index

7.5 - 8.0

2.76

0.004 - 0.007

nω=1.564 - 1.595
nε=1.568 - 1.602

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29th Floor, Room #29-01, 919/362 Jewelry Trade Center, Silom Road, Bangkok, Thailand, 10500

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