Gems and Minerals from the Sub-Arctic
Circumnavigate the boreal reaches of the globe to explore gems from polar regions.
Microlite Crystals in Topaz from Pakistan
Aesthetically pleasing inclusions are found in topaz from Pakistan’s Shigar Valley.
Quarterly Crystal: Triplite in Topaz
The first triplite inclusion in a topaz host is examined.
Sphalerite in Topaz
The first documented example of sphalerite as a crystal inclusion in colourless topaz.
The Rutilated Topaz Misnomer
An examination of so-called "rutilated topaz."
Thermal Alteration of Inclusions in "Rutilated" Topaz
Faceted colourless topaz containing acicular inclusions has been offered for sale as "rutilated" topaz.
Abstracts; Summer 1991
From the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.
Pink Topaz from Pakistan
Pakistan has begun to produce fine gem-quality pink topaz.
Sri Lanka: The Gem Island
An overview of the many types of gem-quality material, and its inclusions, currently found in Sri Lanka.