Calcite with quartz from Huanggang Mine, Inner Mongolia, China. The pictured specimen is 7cm tall. The quartz at the center of the stacked calcite disks is better exposed in some of the specimens that they have at the show. Photo credit: Jeffrey A. S
Dubbed the world's #largest '#flawless' #diamond of its type - World’s largest D colorless diamond at 101.73 carat. The diamond was carved from a 236-carat rough diamond found in Jwaneng Mine in Botswana.
The Hoopoe (Upupa epops) is a colourful bird that is found across Afro-Eurasia, notable for its distinctive 'crown' of feathers. Common Hoopoe (Upupa epops) Grzegorz Ryński