GRD025YS0
ERDC-27D-B
Amphibolite
Unknown
None
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1
Ritter 154 › Cabinet 37 › Drawer E
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Two cut samples measuring ~3x2x1 cm and ~3.5x1.5x0.5 cm from the cut face. Four small uncut pebbles in a bag. Dark green crystals in white powdery matrix. Billet. Original label: 27 October, 1975.
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ERDC Dredge 27
Pacific Ocean
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N/A
Green pyroxene with plagioclase
2.5
plane
Green pyroxene with plagioclase
2.5
crossed
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scan
crossed
GRD025YT0: 60% plagioclase (polysynthetic and simple twinning), 40% pyroxene (some feldspar inclusion-rich, others with exsolution lamellae); minor amount of serpentine (C. Eichler)
N/A
N/A