Museum: Calcite and
to Fluorite Museum Section 1
Go to Fluorite Museum Section 2
Go to Calcite Museum Section 1
Go to Calcite Museum Section 3
It's not really a terminal case of Rockpox.
calcite in a pocket of flesh-colored laumontite.
A fantastic calcite specimen from Minnesota's Lake Superior region. Weathered out of the cliffs, beaten by waves that throw 6-12 inch stones around each winter, somehow these gemmy hexagonal prism crystals survived intact! Flat terminations are opaque and white.
Specimen size (cm): 24 X 28 X 13
ex- Roland Quinn Collection
Picher district, Oklahoma. A classic specimen from mines closed 30 years ago, I was fortunate enough to acquire this through the kindness of Roland Quinn.
Specimen size: 29 X 31 cm
Calcite crystals are 5 - 10 cm, all over the front. Just peeking over from the back are Galena crystals of 3 - 4 cm.
ex- "Rocky" Quinn Collection, collected circa 1935
The last two
pictures of of a group of scalenohedral
crystals from the same era and district, 7 - 9 cm long.
For a look at the
unfortunate results of the mining in the
The beauty of specimens like this is bittersweet. The metals that were
recovered have no
Dolomite Products Quarry
The calcite is 3.5 cm end to end
You've heard of Walworth fluorite? Now here's part of the rest of the suite from the Dolomite Products Quarry, Walworth calcite and dolomite. This wonder miniature specimen was collected by Paul Dudley.
Calcite on Basalt
6 X 6 cm
Long since closed
to collecting, this quarry produced some
calcite, along with prehnite, stilbite and various zeolites. It's a
known classic Norther Jersey traprock locale.
A very fine,
completely undamaged calcite rhomb, very clear
and colorless in a vug lined with bright prehnite from the Millington,
New Jersey quarry. The crystal is 1.7 cm on its long edge. This is very
unusual material for New Jersey in its clarity and colorlessness.
A stunning, 4 cm golden calcite on quartz from the Prospect Park quarry in northern New Jersey.
3.7 X 2.7 X 3.0 cm
Glassy clear twinned calcite with native copper in it
from the surface.
Ex-Slack Collection, Dept. Geology, Marietta College