Dims: 1.2 x 0.6 x 0.4" (3.0 x 1.5 x 0.9 cm)
Wt: 3 g
Fazenda Pomaroli, Linopolis, Minas Gerais, Brazil
A single, twinned Montebrasite blade comprises this thumbnail piece. The crystal is in excellent condition, showing fresh breakage only where it was separated from its base, and has excellent twinned triclinic form. It is colorless, transparent and moderately clear, containing many internal fractures, and shows a vitreous luster. A small amount of what appears to be albite is attached to the crystal, which is affixed inside a plastic specimen box with a removable putty.