Quartz crystals
Description: 9 - mass of euhedral sparry quartz crystals. 10 - mass of translucent, euhedral sparry quartz with anhedral sphalerite. 11 - mass of sparry quartz crystals. 12 - mass of opaque, white euhedral, sparry quartz. 13-15 - mass of sparry quartz crystals. 16 - mass of translucent, euhedral sparry quartz with smaller calcite rhombs growing on the euhedral faces. 17 - mass of euhedral sparry quartz with smaller calcite rhombic crystals and very small amounts of anhedral chalcopyrite and ?sphalerite. 18 - mass of translucent, euhedral sparry quartz.
Taxonomic name: Manx Group: quartz
Collection: Natural History Geology Collection
ID number: 1966-0057/09-18