Forsterite Gabbs, Gabbs Mining District, Nye County, Nevada, USA Dimensions: 3.8 x 3.8 x 2.3 cm
Rather than the transparent green crystals associated with gem olivine, this older locality piece presents as a dense, pale cream aggregate with subtle yellowish zones and a fine sugary texture. Broad irregular surfaces reveal changes in grain and relief, giving the piece a distinctly geological character despite its restrained coloration.
Gabbs is particularly interesting in the context of magnesium-rich mineralization; the Sierra Magnesite occurrence hosts forsterite alongside magnesite, dolomite, brucite-related minerals, chondrodite, and other Mg-rich species.
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