This rare Biotite crystal specimen comes from Trelavour Downs, St Dennis, Cornwall, England, and originates from a distinguished ex-collection. Biotite, a member of the mica group, is known for its sheet-like structure and dark, metallic appearance. It is commonly found in igneous and metamorphic rocks, and this particular specimen showcases the unique layering and lustrous surface typical of high-quality Biotite crystals.

Cornwall is renowned for its rich mineral deposits, and this Biotite crystal represents a fine example of the region’s geological diversity. Its structure and reflective surface make it a visually appealing and scientifically significant addition to any collection.

Biotite is a popular mineral for collectors due to its interesting physical properties and its role in the study of rock formations. This specimen is ideal for mineral enthusiasts, geology collectors, or anyone with a passion for British mineral history.

Shipping & Packaging: We take special care in securely packaging all crystals to ensure safe delivery. Each purchase includes a Certificate of Authenticity for your peace of mind.

Add this rare Biotite crystal from Trelavour Downs, Cornwall, to your collection—an exceptional piece of British mineral heritage!