Synthetic Ruby | Gemopedia

Some gems, like ruby, are highly coveted but rare to find, much less in the sizes and quality people dream of owning. Lab created jewels offer you the best of both worlds. You get the beauty of a beloved, rare gemstone, but at a budget friendly price. The term synthetic refers to a man-made material with a natural counterpart. The synthetic crystal replicates the chemical, optical and physical properties of the natural crystal with little or no variation. Just like natural gemstones, each full production of Jewelry Television's lab created gemstones is quality graded to ensure excellence.
Alternate
Names
Lab Created Ruby
Colors
Orangy Red
, Strong Red
, Purplish Red

Synthetic Ruby Classification

Common Name

Synthetic Ruby

Species

Synthetic Corundum

Variety

Pulled Synthetic Ruby

Colors

orangy red, strong red, purplish red

Alternate Names

lab created ruby

Gemstone Groups

Key Separations

magnification and RI, birefringence, pleochroism,

Comments

Synthetic Ruby Optical Properties

Transparency

Transparent To Opaque

Refractive Index

1.762-1.77 Tolerance: (+0.009/-0.005)

Birefringence

0.008-0.01

Optic Character

uniaxial

Optic Sign

negative

Polariscope Reaction

doubly refractive (DR)

Fluorescence

SWUV: strong red stronger than LW and natural ruby
LWUV: strong red stronger than natural ruby

CCF Reaction

red

Pleochroism

Value: orangy red and purplish red

Dispersion

Strength: moderate fire Value: 0.018

Comments

Synthetic Ruby Chemistry & Crystallography

Chemical Name

aluminum oxide

Chemical Formula

Al2O3

Synthesis

Czochralski pulled

Crystal System

Trigonal

Classification

Oxide

Nature

Synthetic

Crystallinity

Crystalline

Comments

Synthetic Ruby Characteristic Physical Properties

Hardness

9

Streak

white

Specific Gravity

3.95-4.1

Toughness

Excellent

Inclusions

Stones are almost always inclusion free. If internal characteristics are present they are gas bubbles, curved striae that is hard to see and smoke-like swirling veil-like inclusions.

Luster

Subadamantine To Vitreous

Stability

Very Good

Fracture

Conchoidal

Cleavage

None, May Show Parting On Twinned Stones

Comments

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