Mineral Specimen #4110 Hendricksite
Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey
Type Location
11.1 x 6.8 x 4.4 cm
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Ex. Steve Pullman
K(Zn,Mg,Mn2+)3(AlSi3O10)(OH)2
Platy dark reddish brown colored Hendricksite comprises most of this specimen. The cleaved surfaces have the typical high luster common to mica. There is also some unidentified, intermixed, massive white material. On the back side, is a dull coating which fluoresces green under UV (not vividly though). This is likely Willemite. This is the only mica species which contains zinc.
The specimen is in good condition although massive material and slighly crumbly when handled.
This mineral is also found in the following galleries: Minerals From New York, New Jersey and New England | Phyllosilicates | Rare Minerals | Fluorescents | Minerals Priced Between 50 and 99 Dollars
