Black Jasper Mushrooms / 1.5-3.5" AVG - 1 KILO LOT

Quantity: 1 kilogram

Average size range: 1.5 to 3.5 inches

Jasper is an aggregate stone, formed from combinations of quartz, chalcedony, and other minerals that all affect the resulting colors or patterns that form. Black jasper takes its color from inclusions of chert, and aside from use in jewelry it was commonly used in Ancient Greece to streak test metals to determine purity.