Labradorite Freeform - J Mahogany Obsidian and usually harder than most

and usually harder than most marble

The iron oxidizes into reddish bands while the reduced iron creates green or whitish banding

Spotted Agate is a variety of the microcrystalline quartz chalcedony that forms when silica-rich groundwater accumulates in cavities of rocks

These pieces are polished into a sphere

Labradorite Freeform - J Mahogany Obsidian and usually harder than mostLabradorite is a plagioclase feldspar that is found in mafic igneous rocks. Collectors prize its shiny iridescent effect. "Labradorescence" describes this optical property unique to labradorite. This piece is cut and polished to stand upright. You will receive the exact piece as pictured. Dimensions: 2. 75 L x 1. 75 W x 2. 75 H inches Weight: 0. 89 lbs