Phenakite
Of all the colorless “rare gems,” phenakite is perhaps the most desirable of almost all of its colorless counterparts for several reasons.
Gem NotesPink Diaspore
Much of the pink diaspore rough seen to date has areas capable of cutting medium to large size stones that are eye clean and in many cases loupe clean
Gem NotesScapolite – Fluorescence
I first reported on scapolite as a rare stone becoming part of the jewelry landscape back in the September/October 2009 issue (Volume 28, Issue 5). The mineralogical prop- erties are being repeated below for reference. (Ed. Note: subscribers can log in to the website, go to News and Cur- rent Publication, and search on the archives—Scapolite— to find this article in entirety.)
Gem NotesBlue Sapphire with Fluorescence
Fluorescence is a common feature for a gemologist to note for a variety of gem materials. Some common gems of which fluorescence is well-known include diamond, ruby, pink spinel, pink and purple sapphire and alexandrite.
Gem NotesVayrynenite
In the course of my 40+ year career in gemology, many gemstones have crossed my desk but rarely are they so special that they take your breath away. In the last year, this happened twice. The first time was with a 24 ct unheated padparadscha sapphire in a private collection.
Gem NotesSapphirine
Sapphirine is a mineral species, magnesium aluminum silicate. Sapphirine. Gemworld's Gem Note
Gem Notes