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Item Number:
(470026-198) |
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Gray, fine to medium-grained “Berea grit”. |
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Item Number:
(470026-256) |
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Typical green-gray, fissile, clay-rich. |
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Item Number:
(470026-050) |
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Earthy, porous calcareous tufa. |
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Item Number:
(470226-184) |
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Breccia is a sedimentary rock made up of angular rock fragments. |
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Item Number:
(470026-310) |
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Specially selected topsoil, 1 lb. |
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Item Number:
(470226-398) |
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Dolostone is a chemical sedimentary rock consisting of magnesium and calcium |
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Item Number:
(470226-192) |
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Carbonate rock formed by the precipitation from water. |
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Item Number:
(470025-202) |
REVIEWS (2)
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Useful for weathering and erosion, soil formation, porosity and permeability, or other general earth science labs. |
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Item Number:
(470226-278) |
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Chert is a microcrystalline, hard, silica mineral. |
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Item Number:
(470226-304) |
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Scoria is a dark-colored rock formed from lava with a high gas content. |
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Item Number:
(470015-458) |
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Red, medium, to coarse-grained iron oxide cement; shows hematite bands. |
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Item Number:
(470026-092) |
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Light gray, earthy. |
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Item Number:
(470226-270) |
REVIEWS (1)
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Coquina is variety of limestone made up of shell fragments. |
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Item Number:
(470106-752) |
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Includes: six each of conglomerate, sandstone and shale. Set of 18.
Common rocks and minerals for testing and identification studies are 2–3cm ... |
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Item Number:
(470026-266) |
REVIEWS (0)
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Dark, waxy, bitumin-rich. |
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Item Number:
(470015-506) |
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Red-brown to gray, coarse-grained, containing feldspar and mica. |
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