Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA
Estimated crystal size: 0.5 mm. P. Cristofono specimen and photo.
© 2010 Peter Cristofono
Field of view is about 2 mm across. P. Cristofono specimen and photo.
© 2008 Peter Cristofono
Crystal is about .75 mm long. Ex. Paul Young collection.
© 2013 Peter Cristofono
1 mm crystal. P. Cristofono specimen and photo.
© 2009 Peter Cristofono
Two orange-brown anatase crystals. Field of view is about 1.5 mm across. P. Cristofono specimen and photo.
Brown, bipyramidal anatase crystals with quartz and probably albite. Former Phil Partington collection. Rolf Luetcke specimen and photo.
Brown anatase crystal with quartz and probably albite. Former Phil Partington collection. Rolf Luetcke specimen and photo.
Anatase crystal with golden pyrite, colorless quartz and white albite. Former Phil Partington collection, Rolf Luetcke specimen and photo.
Anatase crystals on albite with colorless quartz. Former Phil Partington collection. Rolf Luetcke specimen and photo.
Quarry wall of the former Mystic Quarry, now inaccessible behind a chain link fence. Photo by Peter Cristofono, November 2004.
© 2004 Peter Cristofono
Cambridge Slate exposed in one of the former Mystic Quarries. Early 20th century photograph by Nanthaniel Livermore Stebbins (1847 - 1922). Plate 11 in LaForge, Laurence (1932): Geology of the Boston Area, Massachusetts (USGS Bulletin 839).