Black Tourmaline

Size: 13x10x12.5 cms

Weight: 2.789 kg

Location: Mozambique

Product Description:

A crystal formation of black tourmaline, showcasing its dark color and crystalline structure, from Mozambique.

Geological Information:

- Location: Mozambique (notably in the Alto Ligonha pegmatites, Zambezia Province)
- Type: Black Tourmaline (a type of boron silicate mineral)
- Age: Approximately 250-300 million years old (Permian-Triassic era)
- Formation: Pegmatitic deposits, specifically in the granitic rocks of the Mozambican orogeny
- Fossilization Process: None (mineral formation through magmatic and metamorphic processes)
- Hardness: 7-7.5 on the Mohs scale
- Distinctive Features: Dark color, crystalline structure, and striations, characteristic of black tourmaline.

Geological Significance:

- Indicates magmatic and metamorphic activity during the Permian-Triassic era
- Provides evidence of ancient geological processes and mineralization
- Offers insights into the geological history of Mozambique and the formation of economic mineral deposits

This description highlights the scientific significance and geological context of the Black Tourmaline, showcasing its importance as a mineral specimen. The crystal's dark color and crystalline structure make it a valuable example of black tourmaline formation.