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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 ...
View full detailsESNG0052 -
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 ...
View full detailsESNG0011 -
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