Rock and Mineral Specimens and Collections
Eisco™ Limestone Specimen
Limestone Specimen is made up of mostly calcium carbonate and organic material.
Eisco™ Sandstone Specimen
Sandstone Specimen is made up of well-sorted and well-rounded grains of quartz.
Eisco™ Granite Specimen
Granite Specimen is a must-have sample when discussing rock types, rock cycle, formation, classification, and identification of igneous rocks.
Eisco™ Olivine Mineral Specimen
Olivine Mineral Specimen for teaching students about mineral physical properties like hardness, fracture, and luster.
Eisco™ Pyrite Mineral Specimen
Pyrite Mineral Specimen has a shiny metallic luster and bright brassy color, making it an ideal addition to mineral collections or classroom exercises.
Eisco™ Streak Plates for Minerals
The off-black, unglazed porcelain of these streak plates show a mineral's color in powder form, or to identify the mineral content of a rock.
Eisco™ Sulfur Mineral Specimen
Sulfur Mineral Specimen ideal for mineral identification exercises, due to its instantly recognizable physical properties.
Eisco™ Obsidian Specimen
Obsidian Specimen, also known as volcanic glass, forms from lava that cools almost immediately upon eruption.
Eisco™ Bituminous Coal Specimen
Bituminous Coal is formed in anoxic environments from compressed organic matter, and is used worldwide as a fuel source.
Eisco™ Anthracite Coal Specimen
Anthracite Coal is formed in anoxic environments from compressed organic matter, and is used worldwide as fuel source.
Eisco™ Oligoclase Mineral Specimen
Oligoclase is a feldspar with high levels of sodium.
Eisco™ Carbonaceous Shale Specimen
Carbonaceous Shale Specimen is formed from cementation and lithification of very small grains of rock, commonly mud or clay.
Eisco™ Garnet Mineral Specimen
Garnet forms under intense heat and pressure conditions, making it a common mineral in mountainous terranes.
Eisco™ Chert Mineral Specimen
Sometimes referred to as flint, Chert is a sedimentary rock rich in silica.
Eisco™ Black Hematite Mineral Specimen
Hematite specimen that is ideal for demonstrations in mineral physical properties.