Zeolite Minerals / 2-3" AVG - 1 KILO LOT Menu With hole or plain bail pendants As amethyst and smoky quartz

As amethyst and smoky quartz are much more abundant and easier to mine than natural citrine

Average size range: 25 to 40 millimeters

and is mostly used to extract pure copper

These pieces comprise primarily rock crystal and white quartz

The initial layer and the surrounding minerals and conditions affect subsequent layers and give agate its wide variation in appearance

Zeolite Minerals / 2-3" AVG - 1 KILO LOT Menu With hole or plain bail pendants As amethyst and smoky quartzQuantity: 1 kilogram Average size range: 2 to 3 inches Zeolites are aluminum and silicon rich minerals that form when volcanic rocks react with groundwater that contains alkali metals like lithium or sodium. They are named from the Greek word z, meaning to boil, as they can release large amounts of steam from trapped water when heated. There are over 40 kinds of natural zeolites, with heulandite, stilbite, and natrolite being among the most common.