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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...

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ESNG0046PK12

Raw Calcite Mineral Specimen, 1" - Geologist Selected Samples - Eisco Labs

CALCITE | Calcite is made up of calcium carbonate. It can grow into rocks, animal shells, chalk, & translucent, rhombic minerals GREAT FOR GEO...

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ESNG0013

12PK Raw Quartz 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...

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ESNG0010PK12

Raw Red Sandstone Rock 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...

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ESNG0035

12PK Raw Calcite Mineral Specimens, 1" - Geologist Selected Samples - Eisco Labs

CALCITE | Calcite is made up of calcium carbonate. It can grow into rocks, animal shells, chalk, & translucent, rhombic minerals GREAT FOR GEO...

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ESNG0013PK12

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...

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ESNG0035PK12

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 ...

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ESNG0025PK12

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...

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ESNG0012PK12

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...

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ESNG0024