Properties
Mineral group: Kornerupine (also Prismatine)
Chemistry: Mg3Al6(Si,Al,B)5O21
Colour: Green, green-brown (Colour of streak: White)
Crystal system: Orthorombic
Mohs Scale hardness: 6.5-7
Refractive index: 1.660-1.699
Birefringence: +0.012 to -0.017
Specific gravity: 3.27-3.45
Information
May be confused with
Enstatite, epidote, Diopside, Sinhalite and tourmaline
Suitable instruments for ID
Polariscopes to determine crystal form and separate from a number of other possible gemstones.
Microscope / Loupe to examine inclusions.
The refractive index and density are very important data which are determined by refractometer and hydrostatic weighing.
Known deposites
Australia, Myanmar (Burma), Canada (Quebec), Greenland, Kenya, Madagascar and Sri Lanka, Tanzania and South Africa
Miscellaneous
Named after a Danish geologist and explorer of Greenland.
Read / learn more about Kornerupine
Kornerupine in Healing (Source: ChatGPT)
Kornerupine is an unusual and powerful stone that is often valued for its unique color shifts and deep energy properties in healing and spiritual work. Its energies are said to be both grounding and uplifting, making it a balancing stone with many uses.
Read/learn more about Kornerupine – Healing Properties
