Zircon

The name zircon was introduced in 1789 by M.H. Klaproth. Synonyms for zircon are azorite, beccarite or calyptolite. Important occurrences are in Russia, USA, Brazil, Madagascar, Sri Lanka and Australia. Zircon is mostly brown to brown-red, more rarely it is colourless, yellow, orange, red, green, blue or violet.

Mineral class of the island silicates
Formula: ZrSiO4 + Al,Ca,Ce,Fe,Nb,P,Ta,Hf,Th,U,Y

Mohs hardness: 6.5 - 7.5
Density: 3.90 - 4.71
Fissility: imperfect, conchoidal, brittle fracture
Stroke colour: white
Transparency: transparent in gem quality, otherwise cloudy, opaque

Healing effects
Helps to overcome losses, sense of being, brings knowledge of what is important and what is transient