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Showing 5 results for "red beryl"
Assortment of Linde synthetic star rubies and sapphires
Dual-Color Double Stars in Ruby, Sapphire, and Quartz: Cause and Historical Account

Examines a form of asterism comprising two six-rayed stars, one white and one that exhibits the stone’s bodycolor. Firsthand accounts and a survey of patent documents reveal that diffusion has been used to create or enhance this optical phenomenon in synthetic and possibly natural corundum since the 1950s.

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GIA Gem Project
Various Gems (Olivine - Rutile)

Among the collection assembled by Dr. Edward Gübelin are a number of uncommon gemstones from many worldwide localities.

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An Interesting Rose Quartz from Madagascar

A new find of rose quartz from Madagascar contained some unusual inclusions.

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Synthetic quartz crystal with inclusion suite of almandine and pyrope.
Synthetic Quartz: A Designer Inclusion Specimen

A collectable inclusion specimen is created by introducing garnets to synthetic quartz during the growth process.

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Petrified wood carvings and cabochons.
Thai-Myanmar Petrified Woods

The properties of petrified woods originating from various localities in Thailand and Myanmar are examined.

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