Gray Spinel Oval Faceted Gemstone Stone Size:6 x 4mm Set a beaker (not included)

Set a beaker (not included) on top of the magnetic stirrer platform to agitate solution

These earrings are plated with rhodium to ensure a durable

Half-round needle file

This sterling silver ring mounting features a split-shank design and a 4-prong basket mounting that holds one 10 x 8mm (approx

Use the rubber side up for a rubber bench block with an exceptionally solid base

Gray Spinel Oval Faceted Gemstone Stone Size:6 x 4mm Set a beaker (not included)Gray spinel, a transparent variety of vitreous magnesium aluminum oxide, is relatively hard (7. 58 on the Mohs hardness scale) and presents a true silvery to medium gray color (not a desaturated black or blue). When faceted, the gemstone offers an unexpected refractive brilliance. According to a legend, gray spinel clarifies thoughts, stimulates creativity and emits a protective energy that connects its wearer to the center of the earth. Named for its