Silurian Scolecodont

Spotted a small black speck while trimming down mineral specimens with the diamond saw.  Later took some pictures through the stereo microscope using 23x and 40x magnification.  The matrix is very fragile but this appears to be a scolecodont without the serrated edge. Found in Waldron Shale (Middle Silurian) of Clark County, Indiana.

In addition, here is an interesting specimen of iridescent pyrite also found in the Waldron Shale.

This next image is a microscope shot of a Waldron Shale pyrite ball.

Last picture is not from the Silurian period but much older.  It dates to the Ordovician Period and might be Drake Formation.  Found east of Louisville, Kentucky.

Fun With Fluorescents

Smiley face created with uranium marbles being illuminated with a longwave ultraviolet (UV) light.

MARBLES for sale (eBay LINK or eBay LINK) at reasonable prices!!!

A piece of calcite (red) with a few specks for willemite (green) from the famous locality, Franklin, New Jersey.

A calcite geode from Durango, Mexico showing fluorescence under shortwave UV light.

Two uranium marbles illuminated with a UV LED that is for sale on eBay with FREE shipping: CLICK HERE.  See something similar: CLICK HERE

A quartz thunderegg (Oregon) illuminated with white light and UV longwave light.

 A longwave ultraviolet lightbulb illuminating an uranium glass marble and calcite mineral.  Available on eBay with FREE shipping: CLICK HERE

CRACKLE marbles as seen HERE

Carboniferous Plant Fossils

A fern fossil plate from the famous St. Clair, Pennsylvania site.  Fossils date to the Pennsylvanian or Carboniferous time period.  The white appearance is from the compound aluminum silicate or pyrophyllite.  This fossil was collected in the 1970s.

Learn more about this fossil on eBay: CLICK HERE