Geology Educational Materials

EISCO Microcline Feldspar Mineral Specimen Products for Science Education

For use in study of physical properties like hardness/cleavage/crystallization temperature. EISCO Microcline Feldspar Mineral Specimen has variety of physical properties, hardness of 6 on Mohs scale and distinctly shows two planes of cleavage.

EISCO Peridotite Specimen (Igneous Rock) Products for Science Education

For use in comparing with other igneous rocks, particularly as part of lessons on Bowen's reaction series. EISCO Peridotite Specimen (Igneous Rock) is iron-rich ultramafic rock, with chemistry that suggests genesis from point deep within crust.

EISCO Mica Garnet Schist Specimen (Metamorphic Rock) Products for Science Education

For use in lessons on metamorphic rock properties, classification, and identification. EISCO Mica Garnet Schist Specimen (Metamorphic Rock) has undergone moderate levels of alteration. Schist is good for demonstrating effect of metamorphism on various min

EISCO Muscovite Mica Mineral Specimen Products for Science Education

For use in study of variable hardness and cleavage. EISCO Muscovite Mica Mineral Specimen forms in thin sheets that are individually weak, but comprehensively strong.

EISCO Magnetite Mineral Specimen Products for Science Education

For use in mineral identification exercises. EISCO Magnetite Mineral Specimen grains align themselves with the earth's magnetic field, preserving a record of the field's direction when forming igneous rocks.

EISCO Carbonaceous Shale Specimen (Sedimentary Rock) Products for Science Education

For use in sedimentary rock identification exercises due to its recgonizable fissile habit. EISCO Carbonaceous Shale Specimen (Sedimentary Rock) is formed from cementation and lithification of very small grains of rock, commonly mud or clay.

EISCO Pumice Specimen (Igneous Rock) Products for Science Education

For use in demonstrating effect of vesicles on rock density. EISCO Pumice Specimen (Igneous Rock) is formed quickly during volcanic eruptions around pockets of air within lava.

EISCO Arkose Sandstone Specimen (Sedimentary Rock) Products for Science Education

For use in identification and depositional history exercises. EISCO Arkose Sandstone Specimen (Sedimentary Rock) is clastic sedimentary rock made up of angular, poorly-sorted sand-size grains.

EISCO Amphibolite Specimen (Metamorphic Rock) Products for Science Education

For use in studying hydrothermal alteration of rocks and minerals. EISCO Amphibolite Specimen (Metamorphic Rock) is formed from hornblende that has undergone significant amount of differential pressure.

EISCO Slate Specimen (Metamorphic Rock) Products for Science Education

For use in metamorphic classification and identification exercises. EISCO Slate Specimen (Metamorphic Rock) forms from compression of shale. Though slate is denser, it retains the fissile properties of shale, making distinguishing between the two useful a

EISCO Siltstone Specimen (Sedimentary Rock) Products for Science Education

For use in identifying depositional environments. EISCO Siltstone Specimen (Sedimentary Rock) is a clastic rock made up of small, nearly microscopic grains of silt.

EISCO Gypsum Mineral Specimen Products for Science Education

For use in study of cleavage and fracture as example of imperfect cleavage planes. EISCO Gypsum Mineral Specimen often forms from evaporating lakes. Crystals grow in soft, wide sheets, but is also commonly found filling veins and fractures in other rocks.

EISCO Calcite Mineral Specimen Products for Science Education

For use in lessons on chemical reactions. EISCO Calcite Mineral Specimen is used in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements.

EISCO Biotite Gneiss Specimen (Metamorphic Rock) Products for Science Education

For use in learning about differential stresses and foliation in metamorphic rocks. EISCO Biotite Gneiss Specimen (Metamorphic Rock) is high-grade metamorphic rock formed from other rocks undergoing alteration from intense heat and pressure.

EISCO Milky Quartz Mineral Specimen Products for Science Education

For use in lessons on mineral hardness, luster, and fracture. EISCO Milky Quartz Mineral Specimen has tightly packed framework and hardness of 7, complete lack of cleavage planes, and distinct euhedral crystal habit.

EISCO Porphyritic Granite Specimen (Igneous Rock) Products for Science Education

For comparing cooling rates between samples with differently-sized crystals. EISCO Porphyritic Granite Specimen (Igneous Rock) is must-have sample when discussing rock types, rock cycle, formation, classification, and identification of igneous rocks.

EISCO Metamorphic Rocks Kit Products for Science Education

For study of foliation and alteration of these metamorphic rocks to understand the immense heat and pressure needed to form them. EISCO; Metamorphic Rocks Kit contains 12 specimens measuring approx. 3cm (1 in.) and specimen key.

EISCO Augite (Pyroxene Mineral) Specimen Products for Science Education

For study on 2-plane, 90° cleavage. EISCO Augite (Pyroxene Mineral) Specimen is used in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements.

EISCO Pyrite Mineral Specimen Products for Science Education

For use in replacing other minerals or fossils through pyritization. EISCO Pyrite Mineral Specimen has shiny metallic luster and bright brassy color, making it addition to mineral collections or classroom exercises.

EISCO Quartzite Specimen (Metamorphic Rock) Products for Science Education

For use in comparing with sandstone and metamorphic classification exercises. EISCO Quartzite Specimen (Metamorphic Rock) is formed by applying significant pressure to sandstone. Because of its durable nature, quartzite is often used in paleoclimate studi

EISCO Volcanic Tuff Specimen (Igneous Rock) Products for Science Education

For use in exercises in igneous rock classification. EISCO Volcanic Tuff Specimen (Igneous Rock) is formed by ash and dust deposited during explosive volcanic eruptions that eventually become compacted and lithified, forming large packages of tuff. These

EISCO Mica Schist Specimen (Metamorphic Rock) Products for Science Education

For use in lessons on metamorphic rock properties, classification, and identification. EISCO Mica Schist Specimen (Metamorphic Rock) has undergone moderate levels of alteration. Schist is good for demonstrating effect of metamorphism on various minerals a

EISCO Olivine Mineral Specimen Products for Science Education

For use in classroom to teach students about mineral physical properties like hardness, fracture, and luster. EISCO Olivine Mineral Specimen is a useful geothermometer.

EISCO Breccia Specimen (Sedimentary Rock) Products for Science Education

For use in learning sedimentary rock classification and identification. EISCO Breccia Specimen (Sedimentary Rock) has large, angular clasts making it possible to confidently ascertain depositional history of rock.

EISCO Bituminous Coal Specimen (Sedimentary Rock) Products for Science Education

For use in lessons about unique anoxic conditions under which bituminous coal was formed. EISCO Bituminous Coal Specimen (Sedimentary Rock) is formed in anoxic environments from compressed organic matter, and is used worldwide as a fuel source.

EISCO Limestone Specimen (Sedimentary Rock) Products for Science Education

For use in demonstrating tendency of calcium carbonate to effervesce in acid. EISCO Limestone Specimen (Sedimentary Rock) is made up of organic material, mostly calcium carbonate.

EISCO Basalt Specimen (Igneous Rock) Products for Science Education

For use in introduction to igneous rock classification and identification. EISCO Basalt (Igneous Rock) makes up vast majority of earth's oceanic crust. Formed quickly from an iron-rich magma, basalt exhibits dark color and small crystal size.

EISCO Hematite Mineral Specimen Products for Science Education

For use in identification exercises and demonstrations. EISCO Hematite Mineral Specimen is made up of iron and oxygen, giving it distinct red, earthy color.

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