Tourmaline – Brazil
Tourmaline mineral specimens from Brazil, exhibiting a pure jet black colouration, completely opaque these crystalline mineral specimens allow no light through at all and instead appear to reflect it. The pieces also exhibit a vitreous lustre, with the mineral on a matrix, specimens come in various sizes to choose from and will be supplied in a card tray with a label.
Tourmaline is crystalline mineral which is also classified as a semi precious stone, due to the various colours it can be found in and the high quality of their crystals. It is a boron silicate compound which usually appears jet black in colour and is known to exhibit pyroelectric properties because it was found to attract hot ashes. These particular mineral specimens come from Brazil and are within a matrix, how ever, the crystalline nature of the mineral is easily visible, pure black in colour and exhibit the expected vitreous lustre, these specimens are available in 3 optional sizes, the pieces will come supplied in a card tray with an information label.