Staurolite
3-4 mm sized brown staurolite crystals in grey schist
Origin: El Serrat, Andorra
Sample size: 4 x 4 cm
Single staurolite crystals and 60° and 90°
twins + fragments
Origin: Covelhas, Fermedo, Portugal
Sample size: ca. 1-2 cm
Origin: Redding, Fairfield Co., Connecticut, U.S.A.
Ex. Hauck collection
Sample size: 5.2 x 2.7 x 1.5 cm
Origin: Fannin County, Georgia, U.S.A.
Sample size: 9.2 x 3.7 x 2.0 cm
Penetration twin
Origin: Keivy Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region,
Russia
Ex. Ernie Schlichter collection
Sample size: 11.1 x 9.8 x 3.9 cm (top), 7.8 x 6.1 x 3.3 cm (2nd/bottom row)
Staurolite twins
Origin: New Mexico, U.S.A.
Sample size: 2.8 x 2.7 x 1.9-1.1 x 0.9 x 0.6 cm
Schist matrix with single and "fairy cross" twinned crystals
Origin: Picuris district, Taos Co., New Mexico, U.S.A.
Sample size: 12.6 x 11.2 x 4.2 cm
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