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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...
View full detailsESNG0026HAND -
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 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...
View full detailsESNG0014HAND -
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 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 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...
View full detailsESNG0022HAND -
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...
View full detailsESNG0036HAND -
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,...
View full detailsESNG0086HAND -
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 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...
View full detailsESNG0067HAND -
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...
View full detailsESNG0048HAND -
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 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,...
View full detailsESNG0016HAND -
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 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 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 ...
View full detailsESNG0051HAND -
Eisco Syenite Specimen, 3cm in size, Pack of 12
Syenite sample approximately 1" (3cm) in size Igneous rock comprised primarily of feldspar Perfect size for use in classroom identification labs a...
View full detailsESNG0084PK12 -
Eisco Syenite Specimen, 3cm in size
Syenite sample approximately 1" (3cm) in size Igneous rock comprised primarily of feldspar Perfect size for use in classroom identification labs a...
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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...
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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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Raw Dolostone, Sedimentary Rock - Approx. 1"
DOLOSTONE | Composed primarily of carbonate material, dolostone is a more stalwart rock than its chemical cousin, limestone. It is often mined fo...
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12 Pack - Raw Dolostone, Sedimentary Rocks - Approx. 1"
DOLOSTONE | Composed primarily of carbonate material, dolostone is a more stalwart rock than its chemical cousin, limestone. It is often mined fo...
View full detailsESNG0079PK12 -
12 Pack - Raw Coquina, Sedimentary Rock Specimens - Approx. 1"
COQUINA | Composed of bone and shell fragments, coquina is nearly 100% fossil matter. Held together by a carbonate cement, this skeletal mass form...
View full detailsESNG0078PK12 -
Raw Coquina, Sedimentary Rock Specimen - Approx. 1"
COQUINA | Composed of bone and shell fragments, coquina is nearly 100% fossil matter. Held together by a carbonate cement, this skeletal mass form...
View full detailsESNG0078 -
Raw Chlorite, Metamorphic Mineral Specimen - Approx. 1"
CHLORITE | Chlorite is a metamorphic mineral that has undergone light alteration. During metasomatism, phyllosilicate minerals may become hydrated...
View full detailsESNG0068 -
12 Pack - Raw Chlorite, Metamorphic Mineral Specimens - Approx. 1"
CHLORITE | Chlorite is a metamorphic mineral that has undergone light alteration. During metasomatism, phyllosilicate minerals may become hydrated...
View full detailsESNG0068PK12 -
Eisco Hornfels Specimen (Metamorphic Rock), Approx. 1" (3cm)
Hornfels sample approximately 1" (3cm) in size Formed at the baked contact between an intruding igneous body and the surrounding rock ...
View full detailsESNG0056 -
12PK Fine White Marble Specimens, 1" - Geologist Selected Samples - Eisco Labs
FINE WHITE MARBLE | Formed from limestone, this high pressure, low heat alteration leads to a large crystalline rock. Heavily mined for architectu...
View full detailsESNG0058PK12 -
Eisco Augen Gneiss Specimen (Metamorphic Rock), Approx. 1" (3cm) - Pack of 12
Twelve augen gneiss samples approximately 1" (3cm) in size Ideal for students learning about differential stresses and foliation in metamo...
View full detailsESNG0054PK12 -
12PK Raw Slate Rock Specimens, 1" - Geologist Selected Samples - Eisco Labs
SLATE | Slate is the result of the compression of shale, but is denser and retains the fissile properties, making for an interesting exercise when...
View full detailsESNG0063PK12 -
Eisco Amphibolite Specimen (Metamorphic Rock), Approx. 1" (3cm) - Pack of 12
Twelve amphibolite samples approximately 1" (3cm) in size Formed from further pressure and thermal alteration of hornblende, fusing and fo...
View full detailsESNG0052PK12 -
Fine White Marble Rock Specimen, 1" - Geologist Selected Samples - Eisco Labs
FINE WHITE MARBLE | Formed from limestone, this high pressure, low heat alteration leads to a large crystalline rock. Heavily mined for architectu...
View full detailsESNG0058 -
Eisco Amphibolite Specimen (Metamorphic Rock), Approx. 1" (3cm)
Amphibolite sample approximately 1" (3cm) in size Formed from further pressure and thermal alteration of hornblende, fusing and foliating ...
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12PK Biotite Gneiss Rock Specimen, 1" - Geologist Selected Samples - Eisco Labs
BIOTITE GNEISS | This foliated metamorphic rock usually forms at convergent plate boundaries, and recrystallizes with immense heat and pressure GR...
View full detailsESNG0055PK12 -
Raw Biotite Gneiss Rock Specimen, 1" - Geologist Selected Samples - Eisco Labs
BIOTITE GNEISS | This foliated metamorphic rock usually forms at convergent plate boundaries, and recrystallizes with immense heat and pressure GR...
View full detailsESNG0055 -
Slate Metamorphic Rock Specimen, 1" - Geologist Selected Samples - Eisco Labs
SLATE | Slate is the result of the compression of shale, but is denser and retains the fissile properties, making for an interesting exercise when...
View full detailsESNG0063 -
Eisco Quartzite Specimen (Metamorphic Rock), Approx. 1" (3cm) - Pack of 12
Twelve quartzite samples approximately 1" (3cm) in size The further compaction of sandstone's sturdy silicate framework makes quartzite on...
View full detailsESNG0060PK12 -
Eisco Augen Gneiss Specimen (Metamorphic Rock), Approx. 1" (3cm)
Augen gneiss sample approximately 1" (3cm) in size Ideal for students learning about differential stresses and foliation in metamorphic ro...
View full detailsESNG0054 -
Eisco Hornfels Specimen (Metamorphic Rock), Approx. 1" (3cm) - Pack of 12
Hornfels sample approximately 1" (3cm) in size Formed at the baked contact between an intruding igneous body and the surrounding rock ...
View full detailsESNG0056PK12 -
Eisco Quartzite Specimen (Metamorphic Rock), Approx. 1" (3cm)
Quartzite sample approximately 1" (3cm) in size The further compaction of sandstone's sturdy silicate framework makes quartzite one of the...
View full detailsESNG0060 -
Raw Augite, Mineral Specimen - Approx. 1"
AUGITE | A common rock-forming pyroxene mineral that forms as magma is cooling. It is an imperative sample for lessons on Bowen's reaction series ...
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Raw Basalt Igneous Rock Specimen, 1" - Geologist Selected Samples - Eisco Labs
BASALT | Basalt makes up a large majority of the earth's oceanic crust. Formed quickly from a magma that is rich in iron, basalt exhibits a dark c...
View full detailsESNG0041 -
Raw Hornblende, Amphibole Mineral Specimen - Approx. 1"
HORNBLENDE | Hornblende is part of a group of minerals known as amphiboles. These minerals are chemically and structurally similar to pyroxenes, b...
View full detailsESNG0019 -
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...
View full detailsESNG0048 -
Raw Carbonaceous Shale, Sedimentary Rock Specimen - Approx. 1"
CARBONACEOUS SHALE | Shale is formed from the cementation and lithification of very small grains of rock, commonly mud or clay. The black color of...
View full detailsESNG0038 -
12PK Raw Pumice Rock Specimens, 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...
View full detailsESNG0048PK12 -
12PK Raw Gabbro Rock Specimens, 1" - Geologist Selected Samples - Eisco Labs
GABBRO | Gabbro is formed within magma chambers, deep within the earth. The chambers hold iron-rich rock melt, too heavy to reach the surface. As ...
View full detailsESNG0043PK12 -
12PK Raw Basalt Rock Specimens, 1" - Geologist Selected Samples - Eisco Labs
BASALT | Basalt makes up a large majority of the earth's oceanic crust. Formed quickly from a magma that is rich in iron, basalt exhibits a dark c...
View full detailsESNG0041PK12