Celestine
Crown Point Township, Essex County, New York, USA
A 3 cm area of crystalline to partially crystallized celestite in a 5 cm limestone matrix. This is labeled to be from the "Chazy Formation, in Crown Point, near Lake Champlain". Although most of Essex County, NY is metamorphic and igneous rock, areas bordering the Lake are sedimentary, as shown by this example. S417-124
© 2010, JGW