Properties
Mineral group:Tourmaline
Chemistry: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)-(OH)3(OH)
Color: All colours including many colours in same stone
Crystal system: Trigonal
Mohs Scale hardness: 7-7,5
Refractive index: 1,614-1,666
Birefringence: 0,014-0,040
Specific gravity: 2,85-3,35
Other
The chamelion of gemstones because of its many colours and colour combinations. Many varities of tourmaline have their own names. Multicolour tourmalines are very sought after and expensive. One example is the form called Watermelon tourmaline wich we also at Riddgem is very attracted to. Tourmaline is know already from antiquity Mediterranean region. But was as late as 1700 started to be imported to Holland from Sri Lanka and then have its sinhalese name turmali wich means stone with many colours.
Gemstone Guides & Knowledge
Read more about Tourmaline on RIDDGEM Blog
Watch movies and Shorts about Tourmaline on RIDDGEM YouTube
Read/learn more about Tourmaline under "gemstoneinformation"
Tourmaline in Healing (Source: ChatGPT)
Tourmaline is one of the most versatile and powerful crystals in healing. It comes in several colors, each with unique properties, but what they all have in common is that they offer protection, grounding, and energy cleansing.
Read/learn more about Tourmaline – Healing Properties
