Fluorite from Hastie's Quarry, Illinois TD3971 hyalite opal 6xx inches

6xx inches

Optical calcite is also referred to as Iceland Spar because of its first discovery in Eskifjord

characterized by a distinctive symmetrical intergrowth pattern

2" Quartz with Chrysocolla from Tentadora Mine

Named after Robert Carl Sticht

Fluorite from Hastie's Quarry, Illinois TD3971 hyalite opal 6xx inchesFluorite from Hastie's Quarry, Illinois Approx. Dimensions: 3x2. 5x2 inches Approx. Weight: 217 grams Locality: Hastie's Quarry, Hardin County, Illinois Fluorite from Hasties Quarry (Hardin County, Illinois) is a prized North American mineral because it is one of the few remaining sources of "new" fluorite from the famous Cave in Rock District. While most major mines in the area closed decades ago, Hastie's is an active aggregate quarry that produces