CCON-05-04
High-Grade, Super Bright & Colorful "Franklin Concrete" - Shortwave Ultraviolet Fluorescent Concrete Made from Fluorescent Minerals from Franklin, New Jersey!
Commonly known as "Franklin Concrete" or "Trotter Concrete", this is mostly a mix of different SW & LW UV fluorescent minerals (from the Franklin Mine) which were used to make concrete and used in the mine buildings & foundations. It can include a variety of the many minerals found there, but is mostly comprised of Fluorescent Willemite & Calcite, with Non-Fluorescent Franklinite & Andradite Garnet. There is also a Nice SW Blue Hardystonite with Willemite in This Piece As Well!
Locality: Trotter Dump, Franklin, Sussex County, New Jersey, USA
Weight: 6.8 ozs.
Measures Approximately: 2.8" x 2" x 1.2"
All Fluorescent Pics Show Shortwave UV Fluorescent Response & were Taken Using a 35w WayTooCool SW Light. Fluorescent Response will Vary Depending on Strength of Light Used, but Any Decent Light of the Proper Wavelength (SW and/or LW) will produce a Similar Response!
Please Note: Fluorescent Minerals Require a Shortwave (SW) and/or Longwave (LW) Ultraviolet (UV) Light for the Fluorescent Response Shown in the Pictures! a Black Light is NOT a SW/LW Light, although Some Rocks May also Show Under Black Light as well!
If You Have Any Questions, Please Feel Free to Ask!