Introduction Displaying an aurora of stunning royal blues, violets, indigos, lilacs, periwinkles, and ultramarines, Tanzanite's popularity is well deserved. Demand for Tanzanite has rocketed in recent years,...
Introduction Diopside is a Calcium Magnesium Silicate found in metamorphosed impure limestone, meteorites and igneous basalts. Diopside was named in 1800 from the Greek word "Dis" meaning double and...
Tsavorite or tsavolite is a variety of the garnet group species grossular, a calcium-aluminium garnet with the formula Ca3Al2Si3O12) Trace amounts of vanadium or chromium provide the green color. Green...