Figure 1. The 283.74 ct rough tsavorite was mined in Merelani, Tanzania, by Bridges Tsavorite. Photo by Robert Weldon/GIA, courtesy of Bruce Bridges. More than 50 years after Campbell Bridges ...
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Thundereggs Are Nature’s “Loot Boxes” and Can Hold Hold Geological Masterpieces Inside
Thundereggs look like regular rocks from the outside, but contain intricate and colorful mineral patterns inside — often made ...
At the AGTA show, Bridges Tsavorite unveiled the largest known square cushion-cut tsavorite, weighing 116.76 ct (see above). The 283.74 ct rough stone was mined by the company in Merelani, Tanzania, ...
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