
Hodgkinsonite Value, Price, and Jewelry Information
Hodgkinsonite is one of the rarest of all collector gems. Cut stones are bright and richly colored, but the crystals were never abundant and still fewer had transparent areas. Fewer than 10 cut stones may exist.
Optics: a = 1.720; , β= 1.741; γ= 1.746.
Biaxial (- ), 2V= 52°.
Occurrence: in metamorphosed limestone at Franklin, New Jersey with various other Zn and Mn minerals. Individual crystals reached ¾ inch in diameter, in veins up to several inches thick. The material was mined out years ago.
Comments: Hodgkinsonite is one of the rarest of all collector gems. Cut stones are bright and richly colored, but the crystals were never abundant and still fewer had transparent areas. Fewer than 10 cut stones may exist.
Name: After H. H. Hodgkinson of Franklin, New Jersey, who discovered the mineral.
