purchase ruby gemstone

Brand Name:Fable

Model Number:FID-1A

Place of Origin:Shenzhen,China

... tool that can aid in the identification of gemstones. This tool is used to inspect pleochroism color in gemstones and to quickly separate some common stones from each other (such as ruby versus red garnet). The calcite dichroscope is the preferred type of ...

Brand Name:SILIAN

Model Number:Customized

Place of Origin:Chongqing，China

... Transparent Synthetic Sapphire Crystal Description Sapphire glass is a general term for corundum gemstones in corundum gemstones except for red rubies. The main component is alumina (Al2O3). Sapphire glass refers to synthetic sapphire, its chemical...

Brand Name:SILIAN

Model Number:Customized

Place of Origin:Chongqing，China

... Transparent Synthetic Sapphire Crystal Description Sapphire glass is a general term for corundum gemstones in corundum gemstones except for red rubies. The main component is alumina (Al2O3). Sapphire glass refers to synthetic sapphire, its chemical...

Brand Name:zmkj

Model Number:plate-002

Place of Origin:china

...? Sapphire is a precious gemstone, a variety of the mineral corundum, an aluminium oxide (α-Al2O3). The only color which sapphire cannot be is red – as red colored corundum is called ruby, Commonly,Because of the remarkable hardness of sapphires –

Brand Name:zmkj

Model Number:plate-002

Place of Origin:china

...ch sapphire cannot be is red – as red colored corundum is called ruby, Commonly,Because of the remarkable hardness of sapphires – 9 on the Mohs scale (the third hardest mineral, after diamond at 10 and moissanite at 9.5) – sapphires are also used in

Brand Name:Antaeus

Model Number:AD-C015

Place of Origin:Hunan,China

... owing to its high melting point.It occurs naturally in its crystalline polymorphic phase α-Al₂O₃ as the mineral corundum, varieties of which form the precious gemstones ruby and sapphire. 2. Feature Advantages: 1) Good advanced ceramic