What Is The Densest Gem?

What Is The Densest Gem? Gem Variety Density Chemical Composition Sapphire3.95-4.03 Aluminum oxide Star Sapphire 3.95-4.03 Aluminum oxide Zircon 3.93-4.73 Zirconium silicate Almandine Garnet 3.93-4.30 Iron aluminum silicate Is diamond denser than emerald? The carat of a gemstone is calculated using its weight. Carat for carat, emerald comes out on top when compared to diamond.

Are There Diamond Mines In Pennsylvania?

Are There Diamond Mines In Pennsylvania? Crystal Point Diamond Mine, Williamsport, Lycoming Co., Pennsylvania, USA. What gems are found in Pennsylvania? What Gemstones Can be Found in Pennsylvania? Plenty of beautiful gemstones can be found in the state of Pennsylvania. These include marvellous specimens such as garnets, including andradite, spessartine, and almandine types, kyanite, eastonite,