Eisco, Education, Geology
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Pack of 12 Coquina samples approximately 1" (3cm) in size Mass of fossilized animal material Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements Individual fossils can be studied and identified within the…
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The massive, gray variety of limestone is often found deposited in marine environments. It is made up of organic material, primarily calcium carbonate Excellent for demonstrating the tendency of calcium carbonate to effervesce in acid, and is perfect for identification and classification…
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This rock formed at the bottom of a marine environment through the compaction of deceased organic matter in a clay or silt cement Ideal for identification & classification exercises, for studying fossils within whole rocks and sedimentary rocks. This set of six samples is excellent for group study…
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A fun introduction to the world of geology through metamorphic rocks! Metamorphic rocks were once another type of rock but have been transformed through high heat and pressure. Each Tech Cut specimen is selected and hand processed, ensuring each sample exhibits defining features. Set includes…
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Much of the earth's surface is covered in oceanic crust, of which olivine is a major component. With the highest crystallization temperature, olivine is the first mineral to form in a magma, making it a useful geothermometer Ideal for identification & classification exercises, and is great for…
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Pack of 12 Quartzite samples approximately 1" (3cm) in size The further compaction of sandstone's sturdy silicate framework makes quartzite one of the most durable rocks on the planet Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science…
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Oolitic limestone is a carbonate rock formed from the cementation of thousands of ooids. Ooids are tiny nodules formed from the accumulation of carbonate material around a nucleus. When cemented together and lithified, these ooids can form rock. Oolitic limestone forms in reef or lagoon…
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Travertine is a carbonate rock formed from gushing hot springs. The airy, porous material indicates an abundance of air bubbles moving through the rock as it solidified. While this characteristic is normally reserved for igneous rocks, travertine is unique in that it forms as a result of rapidly…
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Pack of 12 Augen gneiss samples approximately 1" (3cm) in size Ideal for students learning about differential stresses and foliation in metamorphic rocks Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements …
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Pack of 12 Arkose samples approximately 1" (3cm) in size Small, angular grains indicate deposition in an ephemeral river system near to the clast source Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements …
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Pack of 12 Sphalerite samples approximately 1" (3cm) in size Often mined as a zinc ore Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements Sphalerite sometimes exhibits triboluminescence, meaning it will…
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Pack of 12 Hornblende samples approximately 1" (3cm) in size Useful for students to study as an example of two-plane, non-perpendicular cleavage Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements Ideal for…
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Gabbro is formed within magma chambers, deep within the earth. The chambers hold iron-rich rock melt, too heavy to reach the surface. As the melt cools, olivine and plagioclase feldspar forms A great example of phaneritic mafic rock. Useful for exercises in identification and classification of…
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Pack of 12 Limonite samples approximately 1" (3cm) in size Rusty color indicative of ongoing oxidation Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements Also known as goethite Specimens come in clear,…
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Though similar to calcite, the inclusion of magnesium in the chemistry of Dolomite makes it a more robust & stable mineral Ideal for learning about physical and chemical properties. Great for having students compare with calcite - a challenging but beneficial exercise. This set of twelve samples…
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Graywacke is a sedimentary rock composed of large, angular clasts within a fine-grained clay matrix. Formed during underwater avalanches, these rocks are often found on distal ocean shelves Ideal for identification & classification exercises. Useful when digging deeply into sedimentary petrology .…
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Quartzite is formed from sandstone that has been tightly compressed to the point where the clasts have recrystallized to form a new rock. This formation mechanism, coupled the inherent strength of quartz, makes quartzite a very durable rock. Useful in the classroom for lessons on metamorphic…
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Calcite is made up of calcium carbonate. It can grow into rocks, animal shells, chalk, & translucent, rhombic minerals Being one of just a few minerals that is effervesce in acid, Calcite is great for demonstrating chemical reactions. This universally useful mineral can also be used to demonstrate…
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Pack of 12 Dolostone samples approximately 1" (3cm) in size Raw carbonate rock deposited and lithified out of solution Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements Often used as an ingredient in…
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Scoria forms as spatter from bubbly, mafic lava is thrown into the air and cooled quickly. The crystallization happens so quickly that large air pockets are trapped within the rock, often giving samples a jagged, sharp appearance A good example of pyroclastic material. Can be used in a variety of…
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Pack of 12 Pegmatite samples approximately 1" (3cm) in size Igneous rock containing a large variety of crystal sizes Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements Pegmatite indicates two different…
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This naturally magnetized mineral creates it's own magnetic field and can pick up small metal objects. Iron particles cover its surface. As an iron oxide, lodestone has a characteristic black color, and may feature rusty patches of yellow or orange An excellent introductory mineral, and useful in…
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Slate is very lightly metamorphosed and well-foliated. This appearance often makes it difficult to distinguish from its parent rock, shale. The two can be told apart by the difference in pitch when struck Ideal for identification & classification exercises. Slate is perfect for lessons on…
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Formed from limestone, this high pressure, low heat alteration leads to a large crystalline rock. Heavily mined for architecture, marble is also used for buildings and furniture While denser than limestone, marble is still effervesce in acid, making this metamorphic rock useful in identification…
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Pack of 12 Sulfur samples approximately 1" (3cm) in size Great for students learning about streak tests - sulfur leaves an unexpected white streak Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements Ideal…
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Slate is very lightly metamorphosed and well-foliated. This appearance often makes it difficult to distinguish from its parent rock, shale. The two can be told apart by the difference in pitch when struck Ideal for identification & classification exercises. Slate is perfect for lessons on…
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From the same family as fool's gold, Chalcopyrite is a yellow crystalline mineral consisting of a sulfide of copper and iron. It is the principal ore of copper formed in hydrothermal veins Chalcopyrite's formation exhibits fracture and has a brassy luster which make it an excellent tool for…
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A fun introduction to the world of geology through rocks and minerals. Set includes twelve different rocks and minerals - Crystal Quartz, Basalt, Breccia, Biotite Gneiss, Fluorite, Granite, Conglomerate, Marble, Apatite, Scoria, Sandstone, and Slate. While each specimen will vary in shape and…
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White Sandstone is a recognizable sedimentary rock made up of well sorted and rounded grains of quartz, indicating that the clasts in the rocks have traveled a long distance from their source and experienced heavy erosion along the way Perfect for lessons in identification and classification of…
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Pack of 12 Hornfels samples approximately 1" (3cm) in size Formed at the baked contact between an intruding igneous body and the surrounding rock Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements Great…
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Augite is a common rock-forming pyroxene mineral that forms as magma is cooling. It is an imperative sample for lessons on Bowen's reaction series Augite's perpendicular planes of cleavages make it an excellent tool for studying 2-plane, 90° cleavage Each specimen is selected and hand…
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Includes twelve streak plates. Great for group activities Used to determine a mineral's color in powder form, or to identify the mineral content of a rock. Great for geology and earth science classrooms Streak plates can be cleaned and reused again and again Each plate is made of unglazed…