This large chunk of Black Tourmaline in Quartz, 2-3 inches in diameter, is great for any mineral collection.
Tourmaline is one of the most complicated groups of silicate minerals. Whe tourmaline is found within quartz, the quartz is known as ’tourmalinated’. Black Tourmaline is naturally striated and rich black, making it a beautiful stone to set in jewelry. Tourmaline with quartz is considered a prized specimen for collectors.
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