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Llanite opal
Llanite is a porphyritic rhyolite with distinctive phenocrysts of blue quartz and perthitic feldspar (light grayish-orangish). The main mass consists of very small quartz, feldspar, and biotite mica crystals.
Items 1 - 5 of 5
Llanite opal strand - spheres 10 mm coffee pink and blue, length 38.5 cm /5122
Llanite opal strand - spheres 12 mm coffee pink and blue, length 39 cm /5123
Llanite opal strand - spheres 4 mm coffee pink and blue, length 38.5 cm /5118
Llanite opal strand - spheres 6 mm coffee pink and blue, length 38.5 cm /5119
Llanite opal strand - spheres 8 mm coffee pink and blue, length 38.5 cm /5121
Items 1 - 5 of 5