Moissanite Gemstone Information Information * Loose gemstones * Jewelry links Dr. Henri Moissan, a Nobel Prize winning chemist, discovered minute quantities of natural silicon carbide while analyzing part of the Diablo Canyon meteorite in 1893. The mineral name became Moissanite in 1905 in honor of Dr. Moissan. A process was developed in the late 1980's to grow large single crystals of Moissanite in the laboratory. View examples of cut moissanite below and prices in our store section.   PROPERTIES Refractive Index 2.65-2.69 Hardness = 9.25 (Moh's Scale) Specific Gravity = 3.21 Species - Silicon carbide WARNINGS FOR CARE Ultrasonic: Usually safe Steamer: Usually safe Heat: Color change, but will revert to original color after cooling. May cause damage under extreme temperatures. Chemicals that harm: none   Moissanite Jewels. created by Charles & Colvard® Images of moissanite are for reference only. Digital images do not display diamonds or moissanite very well.   Birthstones  January  Garnet February Amethyst March Aquamarine April Diamond May Emerald June Pearl/Alexandrite July Ruby August Peridot September Sapphire October Opal/Tourmaline November Topaz or Citrine December Blue Topaz or Zircon Charles & Colvard Moissanite Jewels All Moissanite Jewels will come with a certificate of authenticity and lifetime warranty from Charles and Colvard. Antique.   Round cut. Trillion Cut. Emerald radiant cut.   Heart Shape.   Marquise cut.   Oval shape. Pear Shape. Triangle Cut.   Princess cut.

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