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BCR324 Dumortierite

BCR324 Dumortierite

$20.00

  • This is an exceptional quality select Dumortierite for a cutting or carving project.
  • A great rock for cutting and any lapidary project.
  •  It measures 4 1/8″ x 2 1/2″ x 2 1/8″, 4 1/4″ x 3 1/4″ x 3 5/8″ and weighs nearly 4 1/4 pounds.

MOHS hardness scale of  7-8.5

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Description

Dumortierite is a fibrous variably colored aluminum boro-silicate mineral. Dumortierite crystallizes typically forming fibrous aggregates of slender prismatic crystals. The crystals vary in color from brown, blue and green to the more more rare violet and pink.  Dumortierite Quartz is blue colored Quartz containing abundant Dumortierite inclusions. Dumortierite was first describes in 1881 in the Rhone Alps of France and was named for the French Paleontologist Eugene Dumortier. Dumortierite is sometimes mistaken for Sodalite and has been used as an imitation for Lapis Lazuli. Dumortierite can be found in Austria, Brazil, Canada, France, Italy, Madagascar, Namibia, Nevada, Norway, Poland, Russia and Sri Lanka.

Additional information

Weight 4.25 lbs
Dimensions 9 × 8 × 3.25 in

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