Colourless ‘Electric’ Hyalite Opal on Matrix from Mexico HP59 Polished one can observe Tessin habit

one can observe Tessin habit formation

and the Calcites are highly lustrous with thick Chalcopyrite bands displaying colours of gold and silver

About 160 million years ago

- Rated voltage:5V

Weight: 19g

Colourless ‘Electric’ Hyalite Opal on Matrix from Mexico HP59 Polished one can observe Tessin habitIndependence, Loyalty, Expression Opal var. Hyalites, even in the splendid world of Opals, is one of the most unusual variants: with its glass like clarity and luster, Hyalites display a dramatic colour change when viewed under UV light. Hyalite is a form of potch opal that contains trace inclusions of Uranyl, a residue of Uranium. It is this minute presence that causes a strong fluorescent green glow under longwave UV. Often transparent, these bubble