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Moissanite

Moissanite

By Tim Matthews, JD, FGA, GG, DGA,
CEO and President of JTV (retired)
Published: June 2014
Modified: September 2023
Moissanite Polished Moissanite Rough Moissanite Jewelry
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Need moissanite in your collection? Shop for moissanite from gemstones.com on Jedora.
Table of Contents
  • General Information
  • Moissanite Colors
  • Alternate Names
  • Countries of Origin
  • History
  • More About Moissanite

The mineral moissanite was unknown to the general public until gemstone-quality material was synthesized and marketed as a diamond simulant. It is known in many industries in the form of synthetic carborundum. Natural moissanite was discovered in 1893 by Dr. F. Henri Moissan. Dr. Moissan was also the first person to synthesize moissanite, so it was named for his honor in 1905. All moissanite used in the jewelry industry is lab created. Lab created moissanite is commonly colorless, but it does come in red, yellow, orange, green, blue, purple, and pink. Lab created moissanite is extremely durable and has exceptional dispersion.

General Information

  • Classification
  • Optical Properties
  • Characteristic Physical Properties
  • Chemistry & Crystallography
Common Name
Moissanite
Species
Moissanite
Transparency
Transparent
Dispersion
Strength: Extreme Fire Value: 0.104
Refractive Index
Over The Limit 2.648-2.697
Birefringence
0.043
Optic Character
Uniaxial
Optic Sign
Positive
Polariscope Reaction
Doubly Refractive (DR)
Fluorescence
SWUV: Inert to moderate orange or blue
LWUV: Inert to weak orange or blue
Pleochroism
None
Hardness
9.25
Streak
Greenish Gray
Specific Gravity
3.170-3.240 Typical:3.220
Toughness
Excellent
Inclusions
Synthetic moissanite might contain white or reflective needles, tube like or plate like inclusions, channels and negative crystals.
Luster
Adamantine
Fracture
Conchoidal
Cleavage
None
Chemical Name
silicon carbide
Chemical Formula
SiC
Crystal System
Hexagonal

Moissanite Colors

  • Blue Moissanite
    Blue
  • Blue Moissanite
    Blue
  • Blue Moissanite
    Blue
  • Brown Moissanite
    Brown
  • Brown Moissanite
    Brown
  • Brown Moissanite
    Brown
  • Colorless Moissanite
    Colorless
  • Gray Moissanite
    Gray
  • Gray Moissanite
    Gray
  • Green Moissanite
    Green
  • Green Moissanite
    Green
  • Green Moissanite
    Green
  • Multi-color Moissanite
    Multi-color
  • Orange Moissanite
    Orange
  • Pink Moissanite
    Pink
  • Purple Moissanite
    Purple
  • Red Moissanite
    Red
  • White Moissanite
    White
  • Yellow Moissanite
    Yellow
  • Yellow Moissanite
    Yellow
  • Yellow Moissanite
    Yellow

Alternate Names

Synthetic Silicon Carbide, Carborundum

Countries of Origin

Russian Federation; Hungary; Czechia; United States of America; Egypt; Ukraine; Uzbekistan; Kazakhstan; Portugal; India; Azerbaijan; Canada; Austria; Turkey; Unknown; Norway; China; Brazil; Mexico; South Africa; Israel; Australia; Bulgaria; Tajikistan

History

Synthetic moissanite is a remarkable stone. It has more fire than a diamond and, because it's created in a lab, we can ensure that every stone is cut to optimize its brilliance. Lab-created moissanite is technically lab-created silicon carbide. It is grown in a lab under controlled conditions. What does this mean? You can enjoy a stone that is extremely resistant to scratching, chipping, and breaking. You can enjoy a stone that doesn't just sparkle, it dazzles. You can enjoy a stone whose fire is exceptional and whose luster is without equal. And you can do it affordably. With a Mohs hardness of 9.2, it's second only to a diamond in hardness. Its fire is superior.

Moissanite Gemstone

More About Moissanite

Mineral moissanite was discovered in 1893 by the man for whom it is named, Henri Moissan. At first, he thought the crystals were diamonds. He later came to know they were not. Those first crystals were discovered at Canyon Diablo, Arizona, in a meteorite. Until the 1950s, no other naturally occurring moissanite was found. It's extremely rare to this day, which is part of why lab-created stones are such a wonderful addition to our jewelry collections.

Shop for moissanite, the stunning diamond simulant that stands on its own on Jedora.
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