FASCINATION ABOUT ONYX STONE

Topaz is an extremely durable stone with a Mohs hardness of 8. Diamond, ruby and sapphire are the only frequently made use of gemstones with a higher hardness.Turquoise is a birthstone for that month of December. It's a blue to blue environmentally friendly to yellowish eco-friendly mineral which has been employed as a gemstone for 1000s of decades