Tourmaline and muscovite Specimen - Height: 11 cm - Width: 19 cm- 2370 g - (1)

Tourmalines are a group of minerals belonging to the silicate class, specifically the order of cyclic silicates.
The name derives from the Sinhalese turmali, which literally means a mixed package, that is, a stone of various colors. In the past, it referred to the name of the crystals brought to Europe from Ceylon.
The crystal belongs to the trigonal system, presenting a prismatic shape, very elongated, vertically striated, and sometimes with unequal development at the two ends of the vertical axis.
Its color depends on the chemical composition and may not be uniform in the crystal.

Muscovite is a very common mineral in high-silica intrusive igneous rocks.
Muscovite is also known as white mica or common mica and is widely used as an insulating material in electrical devices, particularly in vacuum tubes.

Black tourmaline block, originating from Brazil.

Measurements: 19x11x10cm
Weight: 2370g

Shipping with an express courier (tracking)