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RM3646   Hyaline quartz and pyrite
SiO₂
  -  4. Oxides and hydroxides

This specimen was thought as Bourg d'Oisans sample, although, based on its appearance and paragenesis, it is most likely one of the specimens from the La Gardette area, close to Bourg d'Oisans. It shows a rich group of very elongated, hyaline quartz crystals with the "dauphiné" habit. It is accompanied by various pyrite crystals. A highly aesthetic piece from a classic locality that should be a must-have in any collection.

Size: 8.5 x 6.2 x 5.4 cm.
Main crystal: 3.7 cm.
Classic locality
220 €
RM2675   Axinite-(Fe)
Ca4Fe2+2Al4[B2Si8O30](OH)2

Group of sharp tabular axinite-(Fe) crystals from this classic French locality. Brilliant, transparent to translucent. The piece belongs from the Joan Astor collection and dates from the late 70s.

Size: 5.7 x 5.2 x 2.2 cm.
Found in ± 1977.
Col. Joan Astor (Barcelona).
Classic locality
45 €