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Another fine argentinian agate-location is Los Leones, a remote area near the village of San Rafael in Mendoza County. Uncommon for most argentinian agates they are showing very often a perfect nodular shape.

Their pattern is a intensively contrasting fortification-banding in red, brown, yellow and pink. Very typically are recrystallized fractures and small clefts, filled up with later formed chalcedony.

Sometimes agates from this origin are showing pseudomorphical formations after columnar shaped carbonates.