Fluorite
Fluorite is a colorful mineral (calcium fluoride) commonly collected as crystals or specimens in various hues like purple, green, and blue, valued for its cubic crystals and fluorescence.
Fun Fact
Fluorite is the only common mineral with perfect cleavage in four directions, making it prone to breaking into perfect octahedrons.
Price History
More in Nature
$31.8M
Fossil Tyrannosaurus Rex Skeleton (Stan)
Nearly complete T-Rex skeleton auctioned for research and display.
$5M
Moon Rock Sample (From Apollo 17 Mission)
Lunar basalt specimen collected during humanity's final Apollo mission in 1972.
$3.5M
Hope Diamond
A 45.52-carat deep blue diamond with a legendary curse.
$2.0M
Gold Bar (400 oz)
A standard 400 troy ounce gold bar, the kind stored in Fort Knox.