Hydrogrossular Garnet 6mm Round - 15-16 Inch hps_06182026 Tourmaline is classified as a

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors

Sage Agate forms in volcanish ash

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Rocky Butte Jasper is mined in Oregon and may have either dendritic or landscape qualities

Hydrogrossular Garnet 6mm Round - 15-16 Inch hps_06182026 Tourmaline is classified as aHydrogrossular garnet is an especially rare gemstone. It's defined by a bright green color, and most commonly found with black inclusions. These inclusions are chromite, and the green color is caused by a reaction in the stone when the chrome is introduced to water. The green coloring has likened the stone of jadeite in the past, and because its hardness has made the stone perfect for beads and cabochons.