A specimen of pleonaste, which forms a transitional member in the spinel-hercynite series. A specimen of black pleonaste crystals embedded in the rock mainly composed of green fassaite.
Localities, Slovakia, Mineral Classification, Oxides
Spinel (var. pleonaste)
$7
Availability: In stock
Location: Hodruša; Slovakia
Dimension: 30 × 28 × 52 mm
