Month: August 2017

Iolite

INTRODUCTION Iolite is the trade name for gem quality cordierite, a mineral species in the orthorhombic system, with the formula, (Mg,Fe)2AL4Si5O18. Cordierite has been known for hundreds of years and was named in 1813 after…

The Gem Trade of Tanzania

Tanzania is host to a vibrant gem trade. The country, like its East African neighbors, is rich with mineral deposits, many of which are relatively recent discoveries. For miners and traders, the wealth inherent in…

Diamond Market

Just when we thought we could sit back and enjoy a cool drink on the deck with friends this summer the market news has exploded. A mining company take over, workers are missing in a flooded…

The Colored Stone Market

In the US, dealers are cautiously optimistic as summer retail business was in line with expectations, while the June Hong Kong reportedly exceeded expectations for some. Prices are also slightly more affordable this year for a range…

Enhanced Lapidary Materials

FANCY COMPRESSED BLOCKS: THE LATEST TREND We all love using natural untreated gem materials for our lapidary projects and jewelry artwork. We like the organic feel, the symphony of colors, the diversity of textures, the quality…