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Schist (Mica Garnet)
Silvery, paragranite and muscovite-rich with medium garnet crystals.
Expand 4 item
Ward's® GEO-Logic Types of Fossilization Topic Set
Define and compare ways organisms have been preserved.
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Ward's® Mantle Xenolith
Glossy green dunite (olivine) inclusion in non-genetically related basalt. Average size: 3" x 4".
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Ward's® Cross-bedded Sandstone
Sawn and lacquered slab showing thinly bedded truncated layers in a well-cemented sandstone. Large hand specimen.
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Algal Stromatolite (Cynobacteria) (PreCambrian)
Beautifully polished and distinctive slabs or rare 2.3 billion year old fossil stromatolites. Well defined growth structures in matrix.
Expand 1 item
Ripple Marks
Clearly preserved ripple marks in bedded sedimentary rock. Average slab size: 6 x 8".
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Ward's® Porphyry
Shows porphyritic texture in a fine dark matrix abundant large feldspar phenocrysts. Hand specimen.
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Ward's® Stretch Pebble Conglomerate
Deformed pebbles in a metamorphased conglomerate. Large sawed and lacquered specimen.
Expand 1 item
VARVED SHALE SPECIALTY ROCK SAWN SLAB
VARVED SHALE SPECIALTY ROCK SAWN SLAB
Expand 1 item
Ward's® Fulgurite
Unusual glassy tubes of fused sand produced by lightning strikes in desert sediments. Average size: 1.5"- 2".
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Pocket Hardness Points Set
Students determine a mineral's hardness between five and 10 on Mohs' scale.