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Quartz (Curved Crystals), Magnesite
Posted by: Raymond McDougall on 06.02.2021 | Filed under:

Quartz (Curved Crystals), Magnesite

Specimen # 201051
Mineral: Quartz (Curved Crystals), Magnesite
Location: Disentis, Grisons, Switzerland
Size: 6.5 x 4.6 x 3.5 cm

Description

This specimen features a super example of the phenomenon of a “curved” or “bent” quartz crystal. A bent quartz crystal forms where there is significant physical stress on the crystal such that during formation it breaks more or less perpendicular to the c-axis and then continues to grow after slight displacement. When repeated, the process results in continuing growth in a curve. The quartz crystals on this piece are surrounded by sharp magnesite crystals.  A great piece from the John S. White quartz collection.