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Raw Phyllite, Metamorphic Rock Specimen - Approx. 1"
PHYLLITE | Phyllite is a good example of low-grade metamorphism from an easily recognizable parent rock. The fissile property of slate is retained...
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Raw Pink Granite, Igneous Rock Specimen - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs
PINK GRANITE | Commonly found as magmatic intrusions in the crust, granite forms slowly in shallow or evolved magma chambers. The large crystals a...
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Raw Porphyritic Granite Specimen, 1" - Geologist Selected Samples - Eisco Labs
PORPHYRITIC GRANITE | Granite forms slowly in shallow or evolved magma chambers, and is also commonly found as magmatic intrusions in the crust. T...
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Raw Pumice Igneous Rock Specimen, 1" - Geologist Selected Samples - Eisco Labs
PUMICE | Pumice is formed from the frothy lava that a volcanic explosion creates. As the frothy lava cools, it hardens as a light weight rock that...
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Raw Pumice, Igneous Rock Specimen - Hand Sample - Approx. 3"
PUMICE | Pumice is formed from the frothy lava that a volcanic explosion creates. As the frothy lava cools, it hardens as a light weight rock that...
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Raw Pyrite Mineral Specimen, 1" - Geologist Selected Samples - Eisco Labs
PYRITE | Pyrite forms as hot water flows through fractures in subsurface rock. This deposition method allows pyrite to replace other minerals or f...
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Raw Quartz Mineral Specimen, 1" - Geologist Selected Samples - Eisco Labs
QUARTZ | One of the most abundant minerals on Earth. The tightly packed framework of silica tetrahedral that makes up this mineral gives it a high...
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Raw Quartzite, Metamorphic Rock Specimen - Hand Sample - Approx. 3"
QUARTZITE | Applying significant pressure to sandstone results in the formation of quartzite. The compaction of sandstone's sturdy silicate framew...
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Raw Red Sandstone Rock Specimen, 1" - Geologist Selected Samples - Eisco Labs
RED SANDSTONE | Sandstone is made up of well-sorted and well-rounded grains of quartz. This indicates that the clasts in the rocks have traveled a...
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Raw Red Slate, Metamorphic Rock Specimen - Approx. 1"
RED SLATE | Slate is very lightly metamorphosed and well-foliated. This appearance often makes it difficult to distinguish from its parent rock, s...
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Raw Red Slate, Metamorphic Rock Specimen - Hand Sample - Approx. 3"
RED SLATE | Slate is very lightly metamorphosed and well-foliated. This appearance often makes it difficult to distinguish from its parent rock, s...
View full detailsESNG0087HAND -
Raw Rhyolite, Igneous Rock Specimen - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs
RHYOLITE | Rhyolite is an aphanitic felsic rock which forms during eruptions of thick, viscous magma. Often containing phenocrysts of felsic miner...
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Raw Rhyolite, Igneous Rock Specimen - Hand Sample - Approx. 3"
RHYOLITE | Rhyolite is an aphanitic felsic rock which forms during eruptions of thick, viscous magma. Often containing phenocrysts of felsic miner...
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Raw Scoria Igneous Rock Specimen, 1" - Geologist Selected Samples - Eisco Labs
SCORIA | Scoria forms as spatter from bubbly, mafic lava is thrown into the air and cooled quickly. The crystallization happens so quickly that la...
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Raw Serpentinite, Metamorphic Rock Specimen - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs
SERPENTINITE | When clay- and aluminum-rich rock is altered by water from geothermal systems, serpentinite is liable to form. Often found in low-g...
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Raw Soapstone, Mineral Specimen - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs
SOAPSTONE | Through the process of metasomatism, hot fluid infiltrates the atomic structure of other silicate minerals, altering them to form soap...
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Raw Sulfur, Mineral Specimen - Approx. 1"
SULFUR | Sulfur is a popular mineral that forms as a soft precipitate near volcanic vents and springs. This bright yellow mineral has a distinct s...
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Raw Sulfur, Mineral Specimen - Hand Sample - Approx. 3"
SULFUR | Sulfur is a popular mineral that forms as a soft precipitate near volcanic vents and springs. This bright yellow mineral has a distinct s...
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Raw Travertine, Sedimentary Rock Specimen - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs
TRAVERTINE | & classification exercises. Travertine is a carbonate rock formed from gushing hot springs. The airy, porous material indicates a...
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Raw Volcanic Tuff, Igneous Rock Specimen - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs
VOLCANIC TUFF | Dust & ash deposited during explosive volcanic eruptions can become compacted and lithified over time, forming large packages ...
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Raw Volcanic Tuff, Igneous Rock Specimen - Hand Sample - Approx. 3"
VOLCANIC TUFF | Dust & ash deposited during explosive volcanic eruptions can become compacted and lithified over time, forming large packages ...
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Raw White Sandstone Sedimentary Rock Specimen, 1" - Geologist Selected Samples - Eisco Labs
WHITE SANDSTONE | White Sandstone is a recognizable sedimentary rock made up of well sorted and rounded grains of quartz, indicating that the clas...
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Raw White Sandstone, Sedimentary Rock Specimen - Hand Sample - Approx. 3"
WHITE SANDSTONE | White Sandstone is a recognizable sedimentary rock made up of well sorted and rounded grains of quartz, indicating that the clas...
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Septarian Calcite Plate, Polished, 8"x6"
Calcite septarian plate approximately 8" in diameter Septarian nodules have a carbonate center surrounded by cemented sediments of sand and mud Th...
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