Fluorite, Calcite
St Peter's Mine, Sparty Lea, Allendale, Northumberland, England, UK
9.3 x 7.2 x 4.5 cm. Transparent, glassy, color-zoned, honey-brown fluorite cubes to 1.7 cm and a rich sprinkling of colorless calcite rhombs cover the sculptural matrix on this fine upright specimen from a historic English mine and district - St. Peter’s Mine, Northumberland. This is a rare locality from which specimens are rarely available. ...
© Rob Lavinsky & irocks.com