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Eisco Serpentinite Specimen, 3cm in size

  • Serpentinite sample approximately 1" (3cm) in size
  • Chemically metamorphosed rock
  • Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements
  • This rock often forms in veins where hot water has run through rock fractures
  • Specimen comes in clear labeled and barcoded bag for ideal storage


When clay- and aluminum-rich rock is altered by water from geothermal systems, serpentinite is liable to form. Often found in low-grade metamorphic areas, serpentinite is composed of hydrated silicate minerals, particularly phyllosilicates. Greenish in color and smooth to the touch, serpentinite is often found as a plane of weakness in faulted rocks. This piece is useful in lessons on metamorphic rocks, low-grade deformation, and structural geology. Each sample is approximately 1" long and comes in a labeled plastic bag.

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