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Gem Focus - August 2019

Posted on August 8, 2019 by The Gemworld Staff

Spinel, the most misidentified and under appreciated gem in history, is gaining back its glory. Most gem professionals are made to believe that if it wasn’t for modern gemology, we wouldn’t know the difference between red spinel and…

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Cultured Pearl Market Overview

Once a rare treasure attainable by only the elite of society, through a significant part of the 20th century, pearls held status as a fashion staple of the women in most economic classes, a trend…

Hardness 10 Diamonds

Hardness 10 Diamonds3rd EditionHistory—Cutting—TradeEddy Vleeschdrager ISBN: 978-9-0902-9847-41362 pp., hard cover€110 Available to order through website:www.hardness10.bewww.idavid.be/books According to the website, this, the 3rd edition has grown from 300 pages in the 1st edition 20 years ago to now more…

Diaspore

INTRODUCTION Diaspore is a mineral species with the formula, AlO(OH). It was first discovered in Sverdlovsk Oblast, Russia (the type locality) in 1801. Since the initial discovery, diaspore has been found in numerous localities around the…

An Ebay Experiment

One evening last January, I just couldn’t get to sleep. As I lay in bed wondering what I could do to pass the time, it struck me, “I will look for gemstones on eBay.” Little…