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12PK Raw Red Sandstone Specimen, 1" - Geologist Selected Samples - Eisco Labs
RED SANDSTONE | Sandstone is made up of well-sorted and well-rounded grains of quartz. This indicates that the clasts in the rocks have traveled a...
View full detailsESNG0035PK12 -
12PK Raw Milky Quartz 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 detailsESNG0025PK12 -
Raw Rhyolite, Igneous Rock Specimen - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs
RHYOLITE | Rhyolite is an aphanitic felsic rock which forms during eruptions of thick, viscous magma. Often containing phenocrysts of felsic miner...
View full detailsESNG0049 -
12PK Raw Soapstone, Mineral Specimens - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Class Pack - 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 detailsESNG0027PK12 -
12 Pack - Raw Augite, Mineral Specimens - 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 detailsESNG0011PK12 -
12PK Raw Hematite, Mineral Specimens - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Class Pack - 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 detailsESNG0018PK12 -
Eisco Argillaceous Shale Specimen (Sedimentary Rock), Approx. 1" (3cm) - Pack of 12
Pack of 12 Argillaceous shale samples approximately 1" (3cm) in size Small clast size indicates deposition in a low-energy environment such as a s...
View full detailsESNG0037PK12 -
Raw Gypsum, Mineral Specimen - 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 detailsESNG0016 -
12PK 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 detailsESNG0012PK12 -
Raw Pyrite Mineral Specimen, 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 detailsESNG0024 -
12 Pack - Raw Carbonaceous Shale, Sedimentary Rock Specimens - 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 detailsESNG0038PK12 -
12PK Raw Rhyolite, Igneous Rock Specimens - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Class Pack - Eisco Labs
RHYOLITE | Rhyolite is an aphanitic felsic rock which forms during eruptions of thick, viscous magma. Often containing phenocrysts of felsic miner...
View full detailsESNG0049PK12 -
12 Pack - Raw Sulfur, Mineral Specimens - Approx. 1"
SULFUR | Sulfur is a popular mineral that forms as a soft precipitate near volcanic vents and springs. This bright yellow mineral has a distinct s...
View full detailsESNG0026PK12 -
Raw Diorite, Igneous Rock Specimen - Approx. 1"
DIORITE | The minerals within diorite can be readily identified due to their large size, and by comparing the relative abundance of each mineral, ...
View full detailsESNG0042 -
12PK Raw Gray Limestone Rock Specimens, 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 detailsESNG0033PK12 -
Raw Sulfur, Mineral Specimen - Approx. 1"
SULFUR | Sulfur is a popular mineral that forms as a soft precipitate near volcanic vents and springs. This bright yellow mineral has a distinct s...
View full detailsESNG0026 -
Raw Bituminous Coal, Rock Specimen, 1" - Geologist Selected Samples - 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 detailsESNG0030