Item Information

Dimensions (mm) not provided
Weight (carats) not provided



This is a natural untreated rough of beryl mined in Brazil.

Weight 29.25 cts app

Size 21 x 14 x 11 mm app


  • Color is varied and includes emerald green, blue to blue-green, yellow, greenish-gold, red, colorless and pink.
  • Luster is vitreous.
  • Transparency: Crystals are transparent to translucent.
  • Crystal System is hexagonal; 6/m 2/m 2/m
  • Crystal Habits typically include the hexagonal prism with pincoid terminations. The terminations are often modified by many different pyramidal faces which can sometimes produce a rounded termination in the rough shape of a used pencil eraser.
  • Cleavage is imperfect in one direction (basal).
  • Fracture is conchoidal.
  • Hardness is 7.5 - 8.
  • Specific Gravity is approximately 2.6 - 2.9 (average)
  • Streak is white.
  • Other Characteristics: Faces on large crystals are often pitted, striated lengthwise and rough.
  • Associated Minerals include micas, quartz, euclase, calcite, tourmalines and some feldspars.
  • Notable Occurrences include Colombia and some African localities for emerald; Brazil, Russia and Pakistan for aquamarine; California, Brazil, Africa, and many other localities for other beryls.
  • Best Field Indicators are crystal habit, lack of good cleavage, hardness and color.

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Pricing & Details

Bid Increment $1
Starting Bid $44
Auction ID 225716
Watchers 9 watching
Viewed 2,072 times
Starts 16th Nov 2019 4:01pm PST
Ends 17th Nov 2019 8:41am PST

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