3.1" Natural Rough Black Tourmaline Mineral Crystal Specimen Schorl Brazil

Location: Brazil

Weight: 6.8 Ounces

Dimensions: 3.1 Inches Long, 1.6 Inches Wide, 1.4 Inches Thick 

The item pictured is the one you will receive. 

Black Tourmaline, or Schorl, is a common but remarkable member of the tourmaline group, found in igneous and metamorphic rocks. Its natural striated crystals, deep black to dark brown color, and glassy to resinous luster make it a classic mineral for study, collection, and jewelry. Black Tourmaline has a Mohs hardness of 7 to 7.5, which highlights its robustness and suitability for polishing, cutting, and carving.

Mineralogically, Schorl forms through the crystallization of boron-rich melts in igneous environments or through metamorphic processes in high-temperature, high-pressure conditions. Its crystal structure exhibits long, prismatic shapes with striated surfaces, providing insight into the geological conditions of its formation. The mineral is widely used for both educational and scientific purposes, allowing students and collectors to explore its structure, formation, and physical properties.

In addition to its geological significance, Black Tourmaline is widely appreciated for jewelry, decoration, and metaphysical practices, making it one of the most versatile and enduring minerals in the tourmaline family.