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Opal
Specimen ID:
DM7-YHG
Mineral(s)
Opal
:
SiO
2
·nH
2
O
Locality
Mindat locality:
Hunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
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Photo added to mindat.org
“
Opal with small amount of serpentine on bottom side. Colors are clear, brown, white and pink. Self-collected in 2001 from a ledge and in my personal collection. Specimen is approximately 3.5 cm across.
”
J. Wingard
- 30th November 2000
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1 person likes this specimen.
Trevor Keller
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