NATURAL RUBY GEMSTONE

LIVELY EYE CATCHING  RED RUBIES

CLARITY VS, EYE CLEAN.

RUBY SIZE -  12.90 X 9.46 X 2.13  MM

SHAPE:  OVAL

TREATMENT: HEAT TREATED, FRACTURE FILLING

PIECES:  1 PC

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GEMOLOGIST INFORMATION:

COMPANY GEMMOLIGIST HAS CERTIFIED THIS GEMSTONE AND CERTIFICATE INCLUDED WITH THIS GEMSTONE

AS NATURAL STONE, HEAT TREATED, FRACTURE FILLING

MANSOOR RAHMAN GRADUATED FROM GEMOLOGICAL INSTITUTE OF AMERICA IN 1979

AND HAS WEALTH KNOWLEDGE ABOUT GEMSTONES AND ACTS AS CONSULTANT TO STARS AND GEMS

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RUBY GEMOLOGY INFORMATION:

Ruby gemology
Species: Corundum
Color: Varying red
Chemical composition: Al2O3 aluminum oxide
Crystal system: (Trigonal) hexagonal prisms or tables, rhombohedrons
Hardness: 9 (Mohs scale)
Specific gravity: 3.97 - 4.05
Refractive index: 1.762 -1.778
Birefringence: -0.008
Color of streak: White,
Absorption spectrum: 694, 693, 668, 659, 610-500, 476, 475, 468
Fluorescence: Strong carmine red