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12PK Raw Graphite, Pure Carbon Specimens - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Class Pack - Eisco Labs
GRAPHITE | The same material found in pencils- graphite. This lustrous mass of carbon is an excellent example of how atomic structure can complete...
View full detailsESNG0009PK12 -
Raw Obsidian Igneous Rock Specimen, 1" - Geologist Selected Samples - Eisco Labs
Raw Obsidian SpecimenSingle Sample, 1" OBSIDIAN | Obsidian, also known as volcanic glass, forms from lava that cools almost immediately upon eru...
View full detailsESNG0046 -
Raw Magnetite Mineral Specimen, 1" - Geologist Selected Samples - Eisco Labs
MAGNETITE | Magnetite forms as an accessory mineral from an igneous melt. As it cools, the iron in its atomic structure becomes magnetized GREAT F...
View full detailsESNG0020 -
Raw Pink Granite, Igneous Rock Specimen - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs
PINK GRANITE | Commonly found as magmatic intrusions in the crust, granite forms slowly in shallow or evolved magma chambers. The large crystals a...
View full detailsESNG0045 -
Raw Galena, Mineral Specimen - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs
GALENA | Galena grows in beautiful metallic cubes. Often refined as lead ore, galena can also be used to teach students about a mineral's luster, ...
View full detailsESNG0015 -
12PK Raw Halite Mineral Specimens, 1" - Geologist Selected Samples - Eisco Labs
HALITE | Halite is commonly known as table salt. This soft, white to transparent mineral grows into cleavable cubes GREAT FOR GEOLOGY CLASSROOMS |...
View full detailsESNG0017PK12 -
Raw Fluorite Mineral Specimen, 1" - Geologist Selected Samples - Eisco Labs
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 detailsESNG0014 -
12PK Raw Galena, Mineral Specimens - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Class Pack - Eisco Labs
GALENA | Galena grows in beautiful metallic cubes. Often refined as lead ore, galena can also be used to teach students about a mineral's luster, ...
View full detailsESNG0015PK12 -
12PK Raw Peridotite, Igneous Rock Specimens - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Class Pack - Eisco Labs
PERIDOTITE | Peridotite is an iron-rich ultramafic rock, with a chemistry that suggests genesis from a point deep within the crust, possibly as de...
View full detailsESNG0047PK12 -
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 -
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 -
12PK Raw Microcline, Mineral Specimens - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Class Pack - Eisco Labs
MICROCLINE | One of the most common minerals in the earth's crust, feldspar has a variety of physical properties that make it a quintessential min...
View full detailsESNG0021PK12 -
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 -
12PK Raw Conglomerate Rock Specimens, 1" - Geologist Selected Samples - Eisco Labs
CONGLOMERATE | The large clasts in conglomerate indicate that the pieces of rock underwent a large amount of rolling, bouncing, and other weatheri...
View full detailsESNG0031PK12 -
12PK Raw Porphyritic Granite, 1" - Geologist Selected Samples - Eisco Labs
PORPHYRITIC GRANITE | Granite forms slowly in shallow or evolved magma chambers, and is also commonly found as magmatic intrusions in the crust. T...
View full detailsESNG0044PK12 -
12PK Raw Olivine, Mineral Specimens - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Class Pack - Eisco Labs
OLIVINE | Much of the earth's surface is covered in oceanic crust, of which olivine is a major component. With the highest crystallization tempera...
View full detailsESNG0023PK12 -
12PK Raw Fluorite Mineral Specimen, 1" - Geologist Selected Samples - Eisco Labs
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 detailsESNG0014PK12 -
12PK Raw Magnetite Specimens, 1" - Geologist Selected Samples - Eisco Labs
MAGNETITE | Magnetite forms as an accessory mineral from an igneous melt. As it cools, the iron in its atomic structure becomes magnetized GREAT F...
View full detailsESNG0020PK12 -
Raw Soapstone, Mineral Specimen - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs
SOAPSTONE | Through the process of metasomatism, hot fluid infiltrates the atomic structure of other silicate minerals, altering them to form soap...
View full detailsESNG0027 -
12PK Raw White Sandstone Rock Specimens, 1" - Geologist Selected Samples - Eisco Labs
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 detailsESNG0036PK12 -
12PK Raw Obsidian Specimen, 1" - Geologist Selected Samples - Eisco Labs
OBSIDIAN | Obsidian, also known as volcanic glass, forms from lava that cools almost immediately upon eruption, usually into water GREAT FOR GEOLO...
View full detailsESNG0046PK12 -
Raw Gray Limestone Sedimentary Rock Specimen, 1" - Geologist Selected Samples - Eisco Labs
GRAY LIMESTONE | The massive, gray variety of limestone is often found deposited in marine environments. It is made up of organic material, primar...
View full detailsESNG0033 -
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 -
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