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RM3476   Andradite
Ca3Fe3+2(SiO4)3
  -  9. Silicates

Group of andradite crystals, which show us very well defined faces of the dodecahedron truncated at the edges by those of the trapezohedron. It has an intense brown color and a more marked shine on the trapezohedron faces. Specimen from this classic Russian town that is rare today.

Size: 11 x 5.4 x 4.5 cm.
Main crystal: 5.7 x 5 cm.
Col. Jaime Murria (Barcelona).
220 €
RM2724   Prase quartz and andradite
SiO₂
  -  4. Oxides and hydroxides

Group of prase quartz crystals, with good luster, very well defined and contrasting on a matrix covered by andradite crystals. A very aesthetic piece.

Size: 5.7 x 3.7 x 3 cm.
Sold
RM2725   Prase quartz, andradite and hedenbergite
SiO₂
  -  4. Oxides and hydroxides

Doubly terminated crystal of prase quartz, with a very good size. It shows an intense green color and polycrystalline growths on the faces of the prism. Very aerial and esthetic specimen on a matrix rich in small andradite crystals and green hedenbergite needles. A very aesthetic piece.

Size: 7.6 x 7 x 5.7 cm.
Main crystal: 5.9 cm.
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