Henry Grunwald's Photo Gallery
Butte No. 1 Daisey Belle pegmatite
Butte No. 1, South Platte Pegmatite Mining District, Jefferson County, Colorado, USASouth Platte pegmatite district is riddled with the result of hydrothermal vents more than a million years ago. This is a pair of erosion resistant quartz nodes clarifying and crystallizing the resultant admixture.
Somewhere here
Unknown Quartz - Feldspar - Mica Occurrence, South Platte Pegmatite Mining District, Jefferson County, Colorado, USAMany dime sized crystals have been chiseled off of the tops of these rocks.
Bette No.1
Bette No. 1, Jefferson County, Colorado, USALooking west through decade old burn area past quarry to mine style diggings typical of this group of pegmatites.
Butte No.1
Susy Belle Occurrence, South Platte Pegmatite Mining District, Jefferson County, Colorado, USALooking NW,Daisy and Suzy Belle gleam in the sunrise.
Lonesome Pegmatite
McGuire pegmatite, Park County, Colorado, USAThis site is sharp and crumbly with water filling the bottom. Please be careful finding bright blue-green amazonite.
Many long drops to the east
Rusty Pick Occurrence, Devils Head Pegmatite Mining District, Douglas County, Colorado, USAThis looks downhill to the east from the top of this many level mine/quarry.
Mangenese dendrites
Rusty Pick Occurrence, Devils Head Pegmatite Mining District, Douglas County, Colorado, USAAlmost organic looking dendrites of Manganese seem to flow from this gem pocket.
Encyclopidia sized books of mica
Rusty Pick Occurrence, Devils Head Pegmatite Mining District, Douglas County, Colorado, USAHigh Potassium Feldspar interwoven with gigantic sheaves of biotite.