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About

Rough Black Tourmaline

Home - Crystals - Tourmaline - Rough Black Tourmaline

Rough Black Tourmaline

Rough Black Tourmaline

Rough Black Tourmaline - buy online

Rough Black Tourmaline - buy online

Rough Black Tourmaline on internet

Rough Black Tourmaline on internet

Rough Black Tourmaline - Crystal Rio | Rocks & Minerals

Rough Black Tourmaline - Crystal Rio | Rocks & Minerals

Rough Black Tourmaline - online store

Rough Black Tourmaline - online store

Image of Rough Black Tourmaline

Image of Rough Black Tourmaline

Rough Black Tourmaline

Rough Black Tourmaline

Rough Black Tourmaline - buy online

Rough Black Tourmaline - buy online

Rough Black Tourmaline on internet

Rough Black Tourmaline on internet

Rough Black Tourmaline - Crystal Rio | Rocks & Minerals

Rough Black Tourmaline - Crystal Rio | Rocks & Minerals

Rough Black Tourmaline - online store

Rough Black Tourmaline - online store

Image of Rough Black Tourmaline

Image of Rough Black Tourmaline

Description

Minimum Order: 1kg

Height: 2 - 15cm

Width: 1 - 13cm

Weight: 0.6 - 2.38kg

Locality: Minas Gerais

About Black Tourmaline

Hardness Scale: 7 to 7.5
Mineral Species: Silicates
Chemical Formula: NaFe3(Al,Fe)6Si6O18(BO3)3(OH)4, Sodium Iron Aluminum Boro Silicate

*The pieces in the photos are samples and as crystals are made by nature some variations may occur.

*Some pieces may contain matrix.