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Gemstone wholesale
Analysis of a gemstone by refractive index
Analogue refractometers |
KERN
ORA-G
Each gemstone has its typical refractive index due to its composition and crystalline structure. The refractive index quality control test is a quick and elegant way to appraise and analyze your stone.
Model
Scales
Scale Range
ATC
Price
ORA 1GG
Refractive index
1,30 nD - 1,81 nD
€ 250.-
