Tumbled Banded Amethyst / 30-60mm AVG - 1 LB. LOT Menu Eggs with the main difference being

with the main difference being onyx features parallel bands as opposed to agate’s curved banding patterns

Coppernite is a metamorphic rock composed mostly of anthophyllite with pyrite inclusions that can result in short copper streaks in the stone when polished

resulting in its vibrant blue crystal aggregates and showcasing geological processes of mineral transformation and precipitation during its development

Pieces measure approximately 4" (AVERAGE SIZE)

" referring to the mineral's tendency to flake apart when heated

Tumbled Banded Amethyst / 30-60mm AVG - 1 LB. LOT Menu Eggs with the main difference beingQuantity: 1 pound Average size range: 30 to 60 millimeters Amethyst is a violet gemstone that occurs when quartz containing significant iron impurities and other trace elements undergoes natural geological irradiation over long periods of time, altering the color. Chevron amethyst, also known as banded amethyst, contains white quartz in addition to amethyst, which forms this distinctive banding pattern.