BERYL ROUGH CRYSTAL -BRAZIL 27.55 CT [F3003]

Item Information

Dimensions (mm) 42 x 8 x 4mm
Weight (carats) 27.55 carats
Colors

QUALITY ROUGH

BERYL ROUGH

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

PHYSICAL CHARACTERISTICS:

    —>
  • 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.

$32.00 USD

Add to Cart Make an Offer
Shipping $15.00
21 Days via Registered Shipping
Add to Watch List Ask a Question * All prices in USD

Audit Information

The Gemstone Sheriff program allows our members to request an audit on any auction, which is completed by an independent Gemologist who assesses the accuracy of the item description and pictures.

Pricing & Details

Auction ID 488116
Watchers 5 watching
Viewed 1,644 times
Starts 19th Mar 2015 10:38pm PDT

Shipping & Insurance

Provider Shipping Transit
FedEx $29.00 10 days
Registered Shipping $15.00 21 days
Shipping Insurance all providers $7.00 (optional)

About Quality Rough

You May Also Like