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RM3629   Andradite, melanite var., Epidote, prehnite
Ca3Fe3+2(SiO4)3
  -  9. Silicates

A sized specimen of andradite, a variety of melanite, formed by numerous, well-defined idiomorphic crystals, with dodecahedron faces truncated by trapezohedron faces. They are lustrous and exhibit greenish reflections and transparencies when light hits them. They are arranged in a highly aesthetic way on a matrix with green prismatic epidote crystals and prehnite aggregates.

Size: 7.5 x 7.4 x 4.5 cm.
Main crystal: 20 mm.
Classic locality
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