A specimen of beta-phase titanium and niobium oxide, betafite, with a somewhat matte luster. The specimen probably consists of an isolated dark brown-black grain of betafite embedded within a pegmatite.
Localities, Czech Republic, Pegmatites, Mineral Classification, Oxides, Size, Medium
Betasite
$10
Availability: In stock
Location: Tři Studně; Czech Republic
Dimension: 50 × 51 × 110 mm
