Dwarves' Earth Treasures Museum: Road Creek Agates
Road Creek near Challis, Custer Co., Idaho
.
As of November 2007, I obtained few craters of
seemingly uninteresting agate rough and it turned out that there are quite
surprises in those agates once they are cut. Most agates would be colorless
to white in either banded or waterlines forms, and the agates containing
purple, aqua green, yellow and pink colors have been noted. The agates
of Road Creek contain what may be most extremely interesting inclusions
of any agates I have seen so far, and they come in many forms of moss,
sagenite, aragonite fans, and very pointy pseudomorphs after calcite.
Located within the massive Snake River Basalt beds
stretching from eastern Idaho to the western coast of Oregon, it's obvious
that Road Creek is one of several sites around central Idaho that produce
the agates of varying types and sizes and it seems to be rare to find any
colorful agates let alone the rumored Red Plume agates found around Carey.
It should be noted that Road Creek at Challis is at least 70 miles north
of better well known Carey where agates with red plumes are found.
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Rough Appearance: Smooth and shallow pitted nodules with brown
to orangish tint (not always)
Agates are mostly clear with some white to gray bandings, sometimes
with aqua-green to purple tints and inclusions.
Typical agates
Common to find agates with moss inclusions
Rare purple Laguna-like agate..
With rare red and light aqua green colors
Sharp Pseudomorph after dagger-like calcite crystals
With "Japanese Ladder Game"
Moss inclusions.
Outstanding shadowing effect.
Whose foot is this?
Dentritic inclusion in the center
Very weird moss inclusions!
With Aragonite fans and interesting waterline structure.