This month's birthstone

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Learn about Gemstones Diopside Color: green, yellow-green, brown, blue, colorless Hardness: 5.5 - 6 Refractive Index: 1.66 – 1.71 Density: 3.25 - 3.55 Chemical Composition: CaMg(Si2O6) Crystal Structure: monoclinic Origins: USA, Brazyl, Austria, Italy, Tanzania, Pakistan, Russia, Sri Lanka, Burma. Back

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