| | Description | |
| Comments: | ACTINOLITE.
ALBITE. (Reported by J. Griesbach, 1975).
ANTHOPHYLLITE. Creamy gray veinlets in serpentinite float.
ANTIGORITE. (G. T. Faust, 1967). Constitutes bulk of serpentinite as interlocking microscopic laths and plates or as tough, brittle, dark | | Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Jack Nelson, Compiler from two references and personal communications, May 2000 (See descriptive notes for quarry for reference citations)> | | Data | |
| Mineral Data: | Click here to view Actinolite data | | Locality Data: | Click here to view Hunting Hill quarry (Rockville Crushed Stone Quarry; Travilah Quarry; Rockville Quarry; Bardon Stone Quarry), Rockville, Montgomery Co., Maryland, USA |
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