Crump's Quarry, Mineral Hill, Elwyn, Middletown Township, Delaware County, Pennsylvania, USA
A dark brown resinous mass of deweylite from Crump's Quarry, Mineral Hill. 5 cm specimen.
© 2010, JGW
Brown anthophyllite (massive and acicular) with green actinolite (also massive and acicular). Dark splotches at left are chlorite and chromite. Former Don Miller collection.
© 2019 Harold Moritz
Green actinolite (massive and acicular) with brown anthophyllite (also massive and acicular). Dark splotches are chlorite and rusty stains from weathered chromite. Former Don Miller collection.
In Coll. M. Slama Canon EOS 600D with Canon MP-E 65mm f/2.8 1-5x, stacked from 12 Images using Zerene Stacker (Pmax)
© Martin Slama