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RM3589   Hexagonal prisms of calcite
Ca(CO3)
  -  5. Carbonides and nitrates

A very rich group of colorless and transparent hexagonal calcite prisms with flat pinacoid terminations. They have excellent luster and are arranged on a goethite matrix. A very aesthetic specimen.

Size: 7.4 x 4.8 x 2.2 cm.
Main crystal: 7 mm.
Reserved
RM3316   Fluorite and calcite
CaF₂
  -  3. Halides

Excellent and aesthetic specimen formed by a large group of fluorite crystals, very well defined, with a cubic shape and beveled edges by the dodecahedron forms. Translucent, with purple zoning colour. They are disposed on a white calcite matrix, on which they contrast. A piece for the best display.

Size: 7.7 x 7.5 x 4.2 cm.
Main crystal: 15 x 10 mm
440 €