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M815 Franklinite & Willemite & Calcite

M815 Franklinite & Willemite & Calcite


This is an interesting, very nice quality combination mineral of Willemite, Franklinite and Calcite. This fantastic larger mineral measures 6 1/8″ x 5 3/8″ x 5″, weighs nearly 5 1/2 pounds and has an excellent mix of the three minerals.  It shows an awesome brilliant Green and Orange under short wave UV light and a Pink and Green under a long wave UV light. This material is from Franklin, New Jersey.  A great addition to any serious mineral collection! 

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Willemite is a rare nesosilicate  and zinc mineral found principally in Franklin, New Jersey with Franklinite and Zincite.  Willemite can have a variety of colors from white, colorless, reddish, green, yellow, orange and black.  It is known for its brilliant green fluorescence.

Calcite is a Carbonate mineral that is most widely distributed on the Earth’s surface.  It is a common constituent of sedimentary rocks with Limestone in particular.  A Calcite formation can take on many different shapes and sizes which is dependent on the location, ground water occurrence and temperature.  Calcite is usually white or colorless but can be gray, red, yellow, green, blue, violet, brown or black.  The deeper the color is usually indicative of the definitive impurities from the earth or water.

Additional information

Weight5.5 lbs
Dimensions1.875 × 1.375 × 1.75 in

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