Mcguinnessite, Tremolite, serpentine, Hunting Hill quarry (Rockville Crushed Stone Quarry; Travilah Quarry; Rockville Quarry; Bardon Stone Quarry; Aggregate Industries Quarry), Rockville, Montgomery County, Maryland, USA
Mcguinnessite, Tremolite, serpentine, Hunting Hill quarry (Rockville Crushed Stone Quarry; Travilah Quarry; Rockville Quarry; Bardon Stone Quarry; Aggregate Industries Quarry), Rockville, Montgomery County, Maryland, USA
Mcguinnessite, Tremolite, serpentine, Hunting Hill quarry (Rockville Crushed Stone Quarry; Travilah Quarry; Rockville Quarry; Bardon Stone Quarry; Aggregate Industries Quarry), Rockville, Montgomery County, Maryland, USA

Crystal Prospect

Mcguinnessite, Tremolite, serpentine, Hunting Hill quarry (Rockville Crushed Stone Quarry; Travilah Quarry; Rockville Quarry; Bardon Stone Quarry; Aggregate Industries Quarry), Rockville, Montgomery County, Maryland, USA
Mcguinnessite, Tremolite, serpentine, Hunting Hill quarry (Rockville Crushed Stone Quarry; Travilah Quarry; Rockville Quarry; Bardon Stone Quarry; Aggregate Industries Quarry), Rockville, Montgomery County, Maryland, USA
Mcguinnessite, Tremolite, serpentine, Hunting Hill quarry (Rockville Crushed Stone Quarry; Travilah Quarry; Rockville Quarry; Bardon Stone Quarry; Aggregate Industries Quarry), Rockville, Montgomery County, Maryland, USA
Mcguinnessite, Tremolite, serpentine, Hunting Hill quarry (Rockville Crushed Stone Quarry; Travilah Quarry; Rockville Quarry; Bardon Stone Quarry; Aggregate Industries Quarry), Rockville, Montgomery County, Maryland, USA
Mcguinnessite, Tremolite, serpentine, Hunting Hill quarry (Rockville Crushed Stone Quarry; Travilah Quarry; Rockville Quarry; Bardon Stone Quarry; Aggregate Industries Quarry), Rockville, Montgomery County, Maryland, USA
Mcguinnessite, Tremolite, serpentine, Hunting Hill quarry (Rockville Crushed Stone Quarry; Travilah Quarry; Rockville Quarry; Bardon Stone Quarry; Aggregate Industries Quarry), Rockville, Montgomery County, Maryland, USA
Mcguinnessite, Tremolite, serpentine, Hunting Hill quarry (Rockville Crushed Stone Quarry; Travilah Quarry; Rockville Quarry; Bardon Stone Quarry; Aggregate Industries Quarry), Rockville, Montgomery County, Maryland, USA

rare MCGUINNESSITE - closed locality - Hunting Hill quarry, Montgomery Co., Maryland, USA

Blue-green Mcguinnessite aggregates with fibrous Tremolite on serpentine matrix.

this rare mineral was reported from only about 25 localities worldwide

from Hunting Hill quarry (Rockville Crushed Stone Quarry; Travilah Quarry; Rockville Quarry; Bardon Stone Quarry; Aggregate Industries Quarry), Rockville, Montgomery County, Maryland, USA

this locality is closed

Measures approximately 1.5 x 1.25 x 1 inch, 2.08 oz / 38 x 32 x 25mm, 59g

Price: 50.00 USD

Item # A0840115