Crystal and stones » rose http://www.crystalandstones.com Properties of natural crystal precious stones, birthstones, gemstones, lithotherapy, crystal healing, chakras Sat, 28 Jan 2012 13:06:41 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Red and rose gemstones http://www.crystalandstones.com/imitation-gemstones/gemstones-colours/red-and-rose-gemstones.html http://www.crystalandstones.com/imitation-gemstones/gemstones-colours/red-and-rose-gemstones.html#comments Wed, 16 Sep 2009 15:11:03 +0000 precious stones http://www.crystalandstones.com/?p=66 Red and rose gemstones

Hardness. Specific Gravity.

Carnelian (a variety of Chalcedony) 6-1/2 2.598-2.610 Diamond 10 3.502-3.564 Deep Red Garnet 7-1/4 3.40-4.50 Jasper 7 2.668 Opal (the “Fire Opal”) 5-1/2-6-1/2 2.21 Ruby 9 4.073-4.080 Rhodonite 5-1/2-6-1/2 3.413-3.617 Sapphire 9 4.049-4.060 Spinel Ruby 8 3.614-3.654 Topaz 8 3.500-3.520 Tourmaline 7-1/4 3.024 Zircon 7-1/2 4.70-4.88

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