Month: January 2014

Mint Tourmalines from Afghanistan

Gemworld International recently received a parcel of rough and faceted light green tourmalines for analysis. The material was examined and the quality characteristics were recorded. The lot consisted of five faceted samples ranging from 5…

Diamond Market

Synthetic and treated diamond melee continues to plague the industry. Auctions continue to amaze with record prices on diamonds. Mixed US markets heading into the holidays. Belgium exports rise but US is third in world…

Tanzania & Tanzanite

Tanzania is a country rich in resources but high in poverty and unskilled labor. The recent government sponsored gem show is just one effort to bring Arusha into the spotlight as a potential major gem trading…

Tanzanite vs. Sapphire

Although tanzanite does not directly compete against sapphire, consumers looking for blue do have a choice and the lower price of tanzanite can be very attractive. We refer to this as color substitution. When a…

Colored Stone Market

This past year revealed more signs that the industry is adjusting to the new dynamic that emerged as the economy recovered from the recession. Colored stone dealers are optimistic heading into the holiday season. Increasing…