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Photography
Astrophyllite
from
Jefferson County, Montana, USA
Astrophyllite
, etc.
Foolhen #2 pegmatite, Goldflint Mountain, Boulder Batholith, Jefferson County, Montana, USA
Astrophyllite
, etc.
Foolhen #2 pegmatite, Goldflint Mountain, Boulder Batholith, Jefferson County, Montana, USA
Astrophyllite
, etc.
Foolhen #2 pegmatite, Goldflint Mountain, Boulder Batholith, Jefferson County, Montana, USA
USA
Montana
Jefferson County
ⓘ
Boulder Batholith
The Lapidary Journal, May 1985 (W.C. van Laer)
The Mineral News (several issues)
many ID by x-ray diffraction (Jim Wilson, Weber State
W.C. van Laer, Montana Tech
U.S. National Museum
some by physical characteristics, i.e.: crystal form, fluorescence, magnetic attraction, etc.) some yet to be published
Goldflint Mountain
ⓘ
Foolhen #2 pegmatite
W.C van Laer, in preparation
ⓘ
Homestake Pass
van Laer, W.C. (1979) Tourmalines of the Homestake Pass. Lapidary Journal, 33, 58-64.
Mineral
and/or Locality
Foolhen #2 pegmatite, Goldflint Mountain, Boulder Batholith, Jefferson County, Montana, USA