Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey

Type Location

4.5 x 3.7 x 0.5 cm
1.8 x 1.5 x 0.2 in

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1896 or older, Ex. University of Michigan Geology Department from Peter Collier

KZn₃(Si₃Al)O₁₀(OH)₂

A very nice, well shaped Mica crystal of a bronze color with a high luster. The old label indicates the specimen was from Peter Collier who died in 1896. On the old label can be seen some handwriting in pencil indicating the specimen could be either Biotite or Phlogopite, Hendricksite was not named until 1966.

Condition: Very Good

Flaws: Nothing Appreciable

This mineral is also found in the following galleries: Minerals From New York, New Jersey and New England | Phyllosilicates | Rare Minerals | Minerals Priced Between 50 and 99 Dollars