Muscovite var. Ball Peen Mica | Perky Box Specimen | Rare | Branchville, Connecticut Mordenite Abitibi-Témiscamingue

Abitibi-Témiscamingue

This is an incredible slice of the Big Rock Donga meteorite (MB 71) found in Nullarbor

A 47 kg iron meteorite was reportedly found near Fredericksburg

These are fairly rare

Muscovite var. Ball Peen Mica | Perky Box Specimen | Rare | Branchville, Connecticut Mordenite Abitibi-TémiscamingueThis is a natural "Ball Peen" Mica specimen from Branchville, Connecticut. Instead of forming flat, book like sheets as muscovite usually does, mica specimens from the Branchville Mica Mine develop a rounded, bulbous termination resembling the rounded end of a ball peen hammer, from which its name is derived. The Branchville Mica Mine, which has been inactive since 1944 and is mostly flooded, is one of the most historically important mineral