Eisco™ Phenylthiourea (PTC) Paper Test Strips
Genetic Taste Testing Phenylthiourea (PTC) Paper Strips are used to demonstrate the effects of heredity on taste
Eisco™ Muscovite Mica Mineral Specimen
Muscovite Mica Mineral Specimen forms in thin sheets that are individually weak, but comprehensively strong.
Eisco™ Chalcopyrite Mineral Specimen
From the same family as fool's gold, Chalcopyrite is a yellow crystalline mineral consisting of a sulfide of copper and iron. It's the principal ore of copper formed in hydrothermal veins.
Eisco™ Mineral ID Kit
Test mineral hardness, streak color, magnetic properties, appearance, and effervescence to identify different minerals and mineral content within rock specimens. The Mineral ID Kit is a fun way to explore the variety of techniques that geologists use to identify rocks and minerals.
Eisco™ Rock and Mineral Sample Set, 12 Pieces
Use this Rock and Mineral Sample Set as an introduction to the world of geology through rocks and minerals. Ideal for geology classrooms and budding geologists.
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™ Obsidian Specimen
Obsidian Specimen, also known as volcanic glass, forms from lava that cools almost immediately upon eruption.
Eisco™ Biotite Gneiss Specimen
Biotite Gneiss is high-grade metamorphic rock formed from other rocks undergoing alteration from intense heat and pressure.
Eisco™ Hematite Mineral Specimen
Hematite Mineral Specimen is made up of iron and oxygen, giving it distinct red, earthy color.
Eisco™ Gypsum Mineral Specimen
Gypsum Mineral Specimen ideal for use in study of cleavage and fracture as example of imperfect cleavage planes.
Eisco™ Basalt Specimen
Basalt is formed quickly from an iron-rich magma and exhibits a dark color and small crystal size.
Eisco™ Oligoclase Mineral Specimen
Oligoclase is a feldspar with high levels of sodium.
Eisco™ Red Slate Metamorphic Rock Specimen
Red slate is a very lightly metamorphosed and well-foliated specimen. It can be distinguished from it's parent rock (Shale) by the difference in pitch when struck.
Eisco™ Labradorite Sedimentary Rock Specimen
Labradorite is a variety of plagioclase feldspar, intermediate between anorthite and albite. Notable about this species of feldspar is its potential for iridescence.
Eisco™ Oolitic Limestone Sedimentary Rock Specimen
Oolitic limestone is a carbonate rock formed from the cementation of thousands of ooids, tiny nodules formed from the accumulation of carbonate material around a nucleus. Oolitic limestone forms in reef or lagoon environments.