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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
5” / 200g avg
Microcline is a type of feldspar that forms opaque blocky geometric crystals
This Erongo specimen features a cluster of black tourmaline (schorl) between two chunky smoky quartz crystals
It displays botryoidal growth (bunches of “grape-like” round crystals) with a glossy high luster like a layer of bubbles
Preferred humidity Low temperate to semi-arid
Sandstone arch, small Arizona Sierra Peridotite 5” / 200g avgLocale: Arizona Approx size and weight 1 31 lb, variable by piece; dimensions at end These sandstone arches mimic the grand arches of Utahs national parks. They are made of Arizona Sierra sandstone sourced from central Arizona. Sandstone is a sedimentary rock composed of sand compacted and cemented together through geological processes, giving it a grainy texture. Sandstone with distinct layering like this is often called picture stone because the
US$ 66.00
US$ 141.00
US$ 75.00
