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
TrigonalExplore on Science FYI
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.