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Avg Size Range: (65 to 75 millimeters)
Tree Agate
Size Range Avg 1 inch
Crystal Malachite Sphere
Rough Indigo Gabbro / 1-2" AVG - 1 KILO LOT Menu Tektites Avg Size Range: (65 toQuantity: 1 kilogram Average size range: 1 to 2 inches Gabbro is a coarse igneous rock that cooled over long periods of time, as opposed to the related but much faster cooled basalt. Indigo gabbro is a special kind of gabbro that also contains a wide variety of other minerals like quartz and feldspar as inclusions, giving it a more distinctive mottled appearance.