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TECH CUT Rocks and Minerals
Eisco Tech Cut rock and mineral specimens are of the highest quality and perfectly suited for classroom or lab instruction. Our rocks and minerals are hand-selected for their educational characteristics and then cut into traditional 2-3 cm specimens, larger 7-8 cm hand specimens, and chips. Flexible packaging options include individual, class sets and bulk quantities of any size. Popular educational collections and activity kits are also available. |
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Eisco Pegmatite Specimen, 3cm in size
Pegmatite sample approximately 1" (3cm) in size Igneous rock containing a large variety of crystal sizes Perfect size for use in classroom identif...
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Eisco Pegmatite Specimen, 3cm in size, Pack of 12
Pegmatite sample approximately 1" (3cm) in size Igneous rock containing a large variety of crystal sizes Perfect size for use in classroom identif...
View full detailsESNG0083PK12 -
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 Anthracite Coal, Metamorphic Rock Specimen - Hand Sample - Approx. 3"
ANTHRACITE COAL | Anthracite coal is bright and reflective, indicative of the intense heat and pressure required to form it. Anthracite coal often...
View full detailsESNG0053HAND -
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...
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Raw Gypsum, Mineral Specimen - Hand Sample - Approx. 3"
GYPSUM | A sulfate mineral that often forms from evaporating lakes in what is known as an evaporite deposit. Crystals grow into soft, wide sheets,...
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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...
View full detailsESNG0049HAND -
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 Chert, Mineral Specimen - Hand Sample - Approx. 3"
CHERT | Sometimes referred to as flint, Chert is a sedimentary rock rich in silica GREAT FOR GEOLOGY CLASSROOMS | This specimen is perfect for tea...
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Raw Obsidian, Igneous Rock Specimen - Hand Sample - Approx. 3"
Raw Obsidian SpecimenHand Sample, 3" OBSIDIAN | Obsidian, also known as volcanic glass, forms from lava that cools almost immediately upon erupt...
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Raw Green Slate, Metamorphic Rock Specimen - Hand Sample - Approx. 3"
GREEN SLATE | Slate is very lightly metamorphosed and well-foliated. This appearance often makes it difficult to distinguish from its parent rock,...
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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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Raw Muscovite Mica, Mineral Specimen - Hand Sample - Approx. 3"
MUSCOVITE MICA | Muscovite mica is a mineral that forms from cooling magma. It forms in thin sheets that are individually weak, but comprehensivel...
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Raw Halite, Mineral Specimen - Hand Sample - Approx. 3"
HALITE | Halite is commonly known as table salt. This soft, white to transparent mineral grows into cleavable cubes GREAT FOR GEOLOGY CLASSROOMS |...
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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 Fluorite, Mineral Specimen - Hand Sample - Approx. 3"
FLUORITE | Fluorite can be transparent or come in a variety of colors, such as purple, green & blue. Fluorite is a common mineral in both carb...
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Raw Breccia, Sedimentary Rock Specimen - Hand Sample - Approx. 3"
BRECCIA | The large, angular clasts in breccia make it possible to confidently ascertain the depositional history of the rock GREAT FOR GEOLOGY CL...
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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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