Tourmaline

Complex borosilicate

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Tourmaline is a group of complex borosilicate minerals famous for their wide range of colors. Watermelon tourmaline shows pink centers with green rims. The most common variety, schorl (black), accounts for 95% of all tourmaline.

Kristal Sistemi Trigonal
Mineral Sınıfı 09 Silicates
Mohs Sertliği 7.0-7.5
Özgül Ağırlık 2.82-3.32
Renk Black, green, pink, blue, watermelon
Parlaklık Vitreous
Çizgi Rengi Colorless
Dilimlenme None
Kırılma Conchoidal to uneven
Şeffaflık Transparent
Kristal Alışkanlığı Prismatic with triangular cross-section

Mohs Sertliği

Mohs Hardness: 7,0 – 7,5
1 Soft10 Hard

Kristal Sistemi

Trigonal

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Frequently Asked Questions

What is the hardness of Tourmaline?
Tourmaline has a Mohs hardness of 7.0-7.5.
What crystal system does Tourmaline belong to?
Tourmaline crystallizes in the Trigonal crystal system.
What color is Tourmaline?
Tourmaline is typically Black, green, pink, blue, watermelon.
What type of luster does Tourmaline have?
Tourmaline exhibits a Vitreous luster.
What is the chemical formula of Tourmaline?
The chemical formula of Tourmaline is Complex borosilicate.