Black Jasper Mushrooms / 1.5-3.5" AVG - 1 KILO LOT #1 The initial layer and the

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

Pieces weigh approximately 3-5 kilo

Quantity: 25 Pieces

Avg Size Range: (280 grams to 1

Black Jasper Mushrooms / 1.5-3.5" AVG - 1 KILO LOT #1 The initial layer and theQuantity: 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.