A lot of clear calcite points from Indonesia.  Weighs 87 grams.  An excellent contrast to quartz crystals also for sale! The first photo shows the specimens backlit by a flashlight.  The last three photos are under normal ambient lighting conditions.

These are leftover mineral specimens from attempts to produce educational mineral kits for Snellius Minerals LLC. Check out my eBay store to explore some of the educational kits.  We aim to provide the nerdiest mineral samples possible!  Combined shipping available for many items.