Lavender Amethyst 8x10-9x13mm Side Drilled Pebble - 15-16 Inch 14x20-14x25mm And unlike precious opals

And unlike precious opals

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These rocks are extremely common and make up a significant portion of Earth's crust

Hematite is an iron oxide and one of the few gemstones with a metallic luster

Chemically

Lavender Amethyst 8x10-9x13mm Side Drilled Pebble - 15-16 Inch 14x20-14x25mm And unlike precious opalsLavender Amethyst is a transparent lavender variety of Amethyst, which forms in geodes and is generally found in clusters of crystal points. The presence of Manganese in the stone produces its color, while the amount of Iron in the stone varies its shade of purple. Amethyst has long been associated with February, the month the ancient Romans dedicated to Neptune, their water god, and it is the official birthstone of that month.