94eclmis ((CORUNDUM variety SAPPHIRE)), $5 MINIMUM BID, Congo, 1 x 1 x .3 cm, Thumbnail | |
Here is a blue hexagonal crystal with trigonal growth patterns on its faces. It is mounted with blue mintack on a plastic block stand that fits inside a perky box. This was part of my thumbnail collection for years and just deaccessed for this auction. ex Jim McEwen collection. |