Black Jasper Mushrooms / 1.5-3.5" AVG - 1 KILO LOT #1 Pieces measure approximately 3

Pieces measure approximately 3

Avg Size Range: (25 to 35 millimeters)

Natural Agate Star on Metal Base

Pieces weigh approximately 3-5 kilo

Avg Size Range: (280 grams to 1

Black Jasper Mushrooms / 1.5-3.5" AVG - 1 KILO LOT #1 Pieces measure approximately 3Quantity: 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.