Creator: Date Created: Place Created: Keywords:MOISSANITE,Diamond, Context:MOISSANITE: Product Information: Gemstones ************************************************** MOISSANITE: Product Information: Gemstones Mohs Hardness Toughness Refractive Index Dispersion (Fire) Diamond 10 Good* 2.42 0.044 3.52 Lab-Created Moissanite 9 1/4 Excellent 2.65 0.104 3.21 Ruby & Sapphire 9 Excellent 1.77 0.018 4.00 Synthetic Cubic Zirconia 8 1/2 Good 2.15 0.060 5.80 Emerald 7 1/5 Good to Poor 1.58 0.014 2.72 *In cleavage direction, otherwise excellent