Search Webmineral :
A to Z
Mineral of the Month Club
Join the club, silver, gold and platinum-level memberships available as low as $10.00 a month
High quality mineral specimens mailed to your home or school each month
An affordable way to build your collection
B&W plane-polarized light (PPL) image of davanite crystals, with a hexagonal outline, in a Sr-Ca carbonate matrix. (AmMin, v71:1473).
Lamproites at Smoky Butte, Montana, USA.
Scale Bar 20 µm.
This Image has been shown 5970 times