Eclectic Perambulations in the Noosphere
“Some [U.S.] $8,000 worth of jewel scarabs are displayed for science, not sale. Heat and humidity during development may influence color: Some green species have a pink form and some silvers go gold.”
From “Jewel Scarabs,” February 2001, National Geographic magazine
Fluorite - Naica, Mun. de Saucillo, Chihuahua, Mexico
"An oustanding attractive example of spinel-law twinning in fluorite. Glassy lustrous water clear transparent colorless crystals of twinned fluorite to 3.4 cm in size are set aesthetically upon a small amount of matrix. Shows perfectly all around 360 degrees. Damage-free.
Size: 5.5 x 4.1 x 2.7 cm (miniature)"