Chocolate Dogtooth Calcite with Hematite inclusions from Santa Eulalia, Mexico petrified wood needle-like (acicular) crystals frequently appearing

needle-like (acicular) crystals frequently appearing in radiating aggregates

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Chocolate Dogtooth Calcite with Hematite inclusions from Santa Eulalia, Mexico petrified wood needle-like (acicular) crystals frequently appearingRaw and rugged Calcite has formed sharp teeth like scalenohedral clusters with a reddish brown hue caused by iron oxides in between the generations of Calcite growth. The Santa Eulalia mining district has been in nearly continuous production for over three centuries and is one of Mexico's chief silver, lead, and zinc deposits. The region sits along a large belt of Carbonate Replacement Deposits that underwent stages of mineralization and oxidation