Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Anatase

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Estimated crystal size: 0.5 mm. P. Cristofono specimen and photo.

© 2010 Peter Cristofono

Anatase

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Field of view is about 2 mm across. P. Cristofono specimen and photo.

© 2008 Peter Cristofono

Anatase

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Crystal is about .75 mm long. Ex. Paul Young collection.

© 2013 Peter Cristofono

Brookite

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

1 mm crystal. P. Cristofono specimen and photo.

© 2009 Peter Cristofono

Anatase

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Two orange-brown anatase crystals. Field of view is about 1.5 mm across. P. Cristofono specimen and photo.

© 2009 Peter Cristofono

Anatase

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Brown, bipyramidal anatase crystals with quartz and probably albite. Former Phil Partington collection. Rolf Luetcke specimen and photo.

Anatase

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Brown anatase crystal with quartz and probably albite. Former Phil Partington collection. Rolf Luetcke specimen and photo.

Anatase, Pyrite, Quartz, Albite

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Anatase crystal with golden pyrite, colorless quartz and white albite. Former Phil Partington collection, Rolf Luetcke specimen and photo.

Anatase, Albite, Quartz

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Anatase crystals on albite with colorless quartz. Former Phil Partington collection. Rolf Luetcke specimen and photo.

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Quarry wall of the former Mystic Quarry, now inaccessible behind a chain link fence. Photo by Peter Cristofono, November 2004.

© 2004 Peter Cristofono

Mystic Quarry (pre-1922)

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

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).

Anatase

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Estimated crystal size: 0.5 mm. P. Cristofono specimen and photo.

© 2010 Peter Cristofono

Anatase

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Field of view is about 2 mm across. P. Cristofono specimen and photo.

© 2008 Peter Cristofono

Anatase

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Crystal is about .75 mm long. Ex. Paul Young collection.

© 2013 Peter Cristofono

Anatase

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Brown, bipyramidal anatase crystals with quartz and probably albite. Former Phil Partington collection. Rolf Luetcke specimen and photo.

Brookite

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

1 mm crystal. P. Cristofono specimen and photo.

© 2009 Peter Cristofono

Anatase

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Two orange-brown anatase crystals. Field of view is about 1.5 mm across. P. Cristofono specimen and photo.

© 2009 Peter Cristofono

Anatase

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Brown anatase crystal with quartz and probably albite. Former Phil Partington collection. Rolf Luetcke specimen and photo.

Anatase, Pyrite, Quartz, Albite

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Anatase crystal with golden pyrite, colorless quartz and white albite. Former Phil Partington collection, Rolf Luetcke specimen and photo.

Anatase, Albite, Quartz

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Anatase crystals on albite with colorless quartz. Former Phil Partington collection. Rolf Luetcke specimen and photo.

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

Quarry wall of the former Mystic Quarry, now inaccessible behind a chain link fence. Photo by Peter Cristofono, November 2004.

© 2004 Peter Cristofono

Mystic Quarry (pre-1922)

Mystic River Quarries, Somerville, Middlesex County, Massachusetts, USA

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).