The Casas Grandes, Parcelas and Calandria Agates tend
to be very similar
in cut/polish appearance that they sometimes can be confused
for each other.
What may distinguish the Casas Grandes Agates from Parcelas
Agates is that
Casas Grandes Agates look more rusty (yellowish) while
Parcelas Agates
come with dark red-gray dark skins. The Parcelas
Agates are mostly
white sometimes with lavender to purplish or grayish hues.
Some bands are fuzzy or spotted with clay sphericals. Purple
Passion agates were found "next door" to Parcelas mine.
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Rough Appearance: Reddish to brown nodules, can be
confused with
Casas Grandas Agates.
Agate usually white to gray with purple hues.