A Rare Gem - High Grade Sugilite Jelly (Rough) - an 88 gram Specimen

This Sugilite is a high grade specimen due to its uniform and intense purple color. Its deep-purple color comes from traces of manganese. 

  • 88.0 grams (3.1 ounces)
  • 72.1 x 35.8 x 24.6 mm (2.8 x 1.4 x 0.9 inches)

About Sugilite - History and Introduction

Sugilite is a rare purple cyclosilicate mineral that was named after the Japanese petrologist, Ken-ichi Sugi, who discovered it in 1944 in Iwagi Islet, Japan. These Japanese specimens were brownish-yellow grains and not suitable as gemstones. In 1979 the first significant deposit of purple, gem-quality material happened at a manganese mine in the Southern Kalahari Desert of South Africa. By 1980 Sugilite became classified as a rare gem, which caused its price to increase. Since then, only small additional deposits have been discovered worldwide, so it remains classified as a rare gem.

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