20hhgd.is ((STIBITE with CALCITE)), $65 MINIMUM BID, Basalt Quarry, Ambariomiambana, Antsiranana Province, Madagascar, 8 x 8 x 7 cm, Cabinet | |
A group of 4 cm terminated pinkish salmon Stilbite crystals on light golden Calcite with sharp crystals from the Basalt Quarry in Madagascar. Unique Calcite from this locality with an uncommon extraordinary form of twinning formed by the interpenetration of two rhombohedra. |