Hyalite opal from the Erongo Mountains of Namibia is prized for its striking associations with smoky quartz, feldspar, and black tourmaline (schorl). On this specimen, predominantly white hyalite is intricately intergrown with well-formed crystals of smoky quartz, feldspar, and lustrous black tourmaline, creating a beautiful contrast between the pale opal and darker minerals. The complex intergrowth of multiple well-developed crystal species gives the specimen exceptional visual interest, while the hyalite can display an intense green fluorescence under shortwave ultraviolet illumination. This unusual combination of minerals makes for a highly aesthetic and distinctive Namibian specimen.
Size 22 x 20.5 x 12 Cm
Weight: 8.07 lbs / 3.67 kg
( Conversion: 1 inch = 2.5 Cm )
