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12PK Raw Scoria Specimen, 1" - Geologist Selected Samples - Eisco Labs
SCORIA | Scoria forms as spatter from bubbly, mafic lava is thrown into the air and cooled quickly. The crystallization happens so quickly that la...
View full detailsESNG0050PK12 -
Raw Halite Mineral Specimen, 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 detailsESNG0017 -
Raw Milky Quartz Mineral Specimen, 1" - Geologist Selected Samples - Eisco Labs
MILKY QUARTZ | One of the most abundant minerals on Earth. The tightly packed framework of silica tetrahedral that makes up this mineral gives it ...
View full detailsESNG0025 -
Raw Quartz Mineral Specimen, 1" - Geologist Selected Samples - Eisco Labs
QUARTZ | One of the most abundant minerals on Earth. The tightly packed framework of silica tetrahedral that makes up this mineral gives it a high...
View full detailsESNG0010 -
Raw Muscovite Mica Specimen, 1" - Geologist Selected Samples - Eisco Labs
MUSCOVITE MICA | Muscovite mica is a mineral that forms from cooling magma. It forms in thin sheets that are individually weak, but comprehensivel...
View full detailsESNG0022 -
12PK Raw Muscovite Mica Specimen, 1" - Geologist Selected Samples - Eisco Labs
MUSCOVITE MICA | Muscovite mica is a mineral that forms from cooling magma. It forms in thin sheets that are individually weak, but comprehensivel...
View full detailsESNG0022PK12 -
12PK Raw Pyrite Mineral Specimens, 1" - Geologist Selected Samples - Eisco Labs
PYRITE | Pyrite forms as hot water flows through fractures in subsurface rock. This deposition method allows pyrite to replace other minerals or f...
View full detailsESNG0024PK12 -
Raw Biotite Mineral Specimen, 1" - Geologist Selected Samples - Eisco Labs
BIOTITE MICA | Found within igneous and metamorphic rocks. Biotite mica's sheet like appearance and glassy luster make this mineral easy to identi...
View full detailsESNG0012 -
Raw Porphyritic Granite Specimen, 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 detailsESNG0044 -
Eisco Corundum Specimen (Mineral), Approx. 1" (3cm)
Corundum sample approximately 1" (3cm) in size Great for studying mineral hardness and crystal habit - only diamond is harder! Perfect...
View full detailsESNG0008 -
Raw Scoria Igneous Rock Specimen, 1" - Geologist Selected Samples - Eisco Labs
SCORIA | Scoria forms as spatter from bubbly, mafic lava is thrown into the air and cooled quickly. The crystallization happens so quickly that la...
View full detailsESNG0050 -
Raw Hematite, Mineral Specimen - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs
HEMATITE | Hematite is made up of iron and oxygen, giving it a distinct red, earthy color. Although hematite can form in a variety of appearances,...
View full detailsESNG0018 -
Eisco Corundum Specimen (Mineral), Approx. 1" (3cm) - Pack of 12
Twelve corundum samples approximately 1" (3cm) in size Great for studying mineral hardness and crystal habit - only diamond is harder! ...
View full detailsESNG0008PK12 -
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 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 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 -
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