To include two oval mix cut and one pear cut hyalite opals. Ovals measure approx. 8 x 6mm. Pear measures approx. 7 x 5mm. a rare, clear, and glass-like variety of common opal that lacks a traditional play-of-colour. It is famous for its striking, intense neon-green fluorescence under ultraviolet light, caused by trace amounts of structural uranium. One step cut pollucite measuring approx. 8 x 5mm. One pear shaped Moldavite from the Czech Republic, measuring approx. 9.7 x 6mm. A rare, olive-green natural glass formed about 15 million years ago when a meteorite struck Earth. Condition: No obvious signs of damage. Category: Jewellery & Gemstones/Gemstones Estimate: 30 GBP