Schorl - Dravite Tourmaline in Quartz #4 Shape_Egg This gorgeous rare etched Heliodor

This gorgeous rare etched Heliodor crystal is from Padre Paraiso

Emerald is the birthstone for the month of May

and it must contain at least 25% blue material in order to be called Lapis Lazuli

They are encased in a matrix of white Quartz and blue Albite

Schorl - Dravite Tourmaline in Quartz #4 Shape_Egg This gorgeous rare etched HeliodorThis incredible specimen of Tourmaline in Quartz is believed to be from the Piaui River Pegmatite in Minas Gerais Brazil, rather than the more commonly labelled Piaui region in north east Brazil. Rather than being a straight Black Tourmaline (Schorl), it displays a rich yellow green brown colour when backlit, and is instead much more likely to be a member of the Schorl Dravite series, with varying concentrations of iron and magnesium. The growth