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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 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 ...
View full detailsESNG0052 -
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 -
Eisco Argillaceous Shale Specimen (Sedimentary Rock), Approx. 1" (3cm)
Argillaceous shale sample approximately 1" (3cm) in size Small clast size indicates deposition in a low-energy environment such as a shallow lake ...
View full detailsESNG0037 -
Eisco Argillaceous Shale Specimen (Sedimentary Rock), Approx. 1" (3cm) - Pack of 12
Pack of 12 Argillaceous shale samples approximately 1" (3cm) in size Small clast size indicates deposition in a low-energy environment such as a s...
View full detailsESNG0037PK12 -
Eisco Arkose Sandstone Specimen (Sedimentary Rock), Approx. 1" (3cm)
Arkose sample approximately 1" (3cm) in size Small, angular grains indicate deposition in an ephemeral river system near to the clast sour...
View full detailsESNG0028 -
Eisco Arkose Sandstone Specimen (Sedimentary Rock), Approx. 1" (3cm) - Pack of 12
Twelve arkose samples approximately 1" (3cm) I size Small, angular grains indicate deposition in an ephemeral river system near to the cla...
View full detailsESNG0028PK12 -
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 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 -
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 ...
View full detailsESNG0011 -
12 Pack - Raw Augite, Mineral Specimens - 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 ...
View full detailsESNG0011PK12 -
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 -
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 -
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 -
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 Bituminous Coal, Rock Specimen, 1" - Geologist Selected Samples - Eisco Labs
BITUMINOUS COAL | Coal is formed within anoxic environments from compressed organic matter, and a worldwide source of fuel. Its vitreous sheen mak...
View full detailsESNG0030 -
12PK Bituminous Coal, Rock Specimen, 1" - Geologist Selected - Eisco Labs
BITUMINOUS COAL | Coal is formed within anoxic environments from compressed organic matter, and a worldwide source of fuel. Its vitreous sheen mak...
View full detailsESNG0030PK12 -
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 -
12 Pack - Raw Carbonaceous Shale, Sedimentary Rock Specimens - 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 detailsESNG0038PK12 -
Raw Diorite, Igneous Rock Specimen - Approx. 1"
DIORITE | The minerals within diorite can be readily identified due to their large size, and by comparing the relative abundance of each mineral, ...
View full detailsESNG0042 -
12 Pack - Raw Diorite, Igneous Rock Specimens - Approx. 1"
DIORITE | The minerals within diorite can be readily identified due to their large size, and by comparing the relative abundance of each mineral, ...
View full detailsESNG0042PK12 -
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 -
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 -
Raw Gabbro Igneous Rock Specimen, 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 detailsESNG0043 -
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 -
Raw Gypsum, Mineral Specimen - Approx. 1"
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 detailsESNG0016 -
12 Pack - Raw Gypsum, Mineral Specimens - Approx. 1"
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 detailsESNG0016PK12 -
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 -
12 Pack - Raw Hornblende, Amphibole Mineral Specimens - 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 detailsESNG0019PK12 -
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 -
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 -
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 -
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 -
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 -
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 Siltstone Specimen (Sedimentary Rock), Approx. 1" (3cm)
Siltstone sample approximately 1" (3cm) in size Clastic sedimentary rock made up of fine silt particles Perfect size for use in classr...
View full detailsESNG0039 -
Eisco Siltstone Specimen (Sedimentary Rock), Approx. 1" (3cm) - Pack of 12
Twelve siltstone samples approximately 1" (3cm) in size Clastic sedimentary rock made up of fine silt particles Perfect size for use i...
View full detailsESNG0039PK12 -
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 -
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 -
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...
View full detailsESNG0026 -
12 Pack - Raw Sulfur, Mineral Specimens - 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...
View full detailsESNG0026PK12 -
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 -
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 -
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 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...
View full detailsESNG0079 -
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 -
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...
View full detailsESNG0084 -
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