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MD-40678
Cassiterite (Var: Wood Tin)
Santa Maria del Oro, San Luis Potosi, Mexico
Toenail, 2.8 x 2.1 x 1.9 cm
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An showy and classic thumbnail of light brown, botryoidal, "wood tin" cassiterite from an UNCOMMON Mexico locality, Santa Maria del Oro. Wood tin is an old-time English term for cassiterite in this form and color. 2.8 x 2.1 x 1.9 cm