Minerals

UNGLAZED STREAK PLATE || Single, unglazed porcelain streak plate. Off-white color 50MM X 50MM || Plate measures 1.9" (50mm) long and wide, and is...

Twelve streak plates Used to determine a mineral's color in powder form, or to identify the mineral content of a rock. Great for geology and earth...

Pack of six, muscovite mica samples. Each sample is approximately 1" (3cm) in size Useful for teaching students about variable hardness and cleav...

DOLOMITE | Though similar to calcite, the inclusion of magnesium in the chemistry of Dolomite makes it a more robust & stable mineral GREAT FO...

SCORIA | Scoria forms as spatter from bubbly, mafic lava is thrown into the air and cooled quickly. The crystallization happens so quickly that la...

OBSIDIAN | Obsidian, also known as volcanic glass, forms from lava that cools almost immediately upon eruption, usually into water GREAT FOR GEOLO...

PORPHYRITIC GRANITE | Granite forms slowly in shallow or evolved magma chambers, and is also commonly found as magmatic intrusions in the crust. T...

SCORIA | Scoria forms as spatter from bubbly, mafic lava is thrown into the air and cooled quickly. The crystallization happens so quickly that la...

Raw Obsidian SpecimenSingle Sample, 1" OBSIDIAN | Obsidian, also known as volcanic glass, forms from lava that cools almost immediately upon eru...

PORPHYRITIC GRANITE | Granite forms slowly in shallow or evolved magma chambers, and is also commonly found as magmatic intrusions in the crust. T...

DOLOMITE | Though similar to calcite, the inclusion of magnesium in the chemistry of Dolomite makes it a more robust & stable mineral GREAT FO...

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...

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...

EXPLORE FIELD TESTING TECHNIQUES | A fun way to explore the variety of techniques that geologists use to identify rocks and minerals IDENTIFY ROCK...

12 PACK | Includes twelve streak plates. Great for group activities GREAT FOR GEOLOGY CLASSROOMS | Used to determine a mineral's color in powder f...

HEMATITE | This specular variety of hematite takes the form of tiny, sparkling iron oxide crystals GREAT FOR GEOLOGY CLASSROOMS | Perfect for demo...

CHERT | Sometimes referred to as flint, Chert is a sedimentary rock rich in silica GREAT FOR GEOLOGY CLASSROOMS | This specimen is perfect for tea...

APATITE | Apatite is one of the few common phosphate minerals. While often found as an accessory mineral in igneous rock, it is also found as conc...

CHERT | Sometimes referred to as flint, Chert is a sedimentary rock rich in silica GREAT FOR GEOLOGY CLASSROOMS | This specimen is perfect for tea...

APATITE | Apatite is one of the few common phosphate minerals. While often found as an accessory mineral in igneous rock, it is also found as conc...

Chalcopyrite sample approximately 1" (3cm) in size Exhibits fracture and has a brassy luster Perfect size for use in classroom identification labs...

Oligoclase sample approximately 1" (3cm) in size Standard hardness of 6, exhibits two planes of cleavage Perfect size for use in classroom identif...

Oligoclase sample approximately 1" (3cm) in size Standard hardness of 6, exhibits two planes of cleavage Perfect size for use in classroom identif...

LODESTONE | This naturally magnetized mineral creates it's own magnetic field and can pick up small metal objects. Iron particles cover its surfac...

LODESTONE | This naturally magnetized mineral creates it's own magnetic field and can pick up small metal objects. Iron particles cover its surfac...

Limonite sample approximately 1" (3cm) in size Rusty color indicative of ongoing oxidation Perfect size for use in classroom identification labs a...

Limonite sample approximately 1" (3cm) in size Rusty color indicative of ongoing oxidation Perfect size for use in classroom identification labs a...

GARNET | Garnet comes in a variety of colors & shapes - this specimen is a deep red color. Garnet forms under intense heat and pressure condit...

GARNET | Garnet comes in a variety of colors & shapes - this specimen is a deep red color. Garnet forms under intense heat and pressure condit...

Albite sample approximately 1" (3cm) in size Used as a hardness standard of 6, and exhibits two planes of cleavage Perfect size for use in classro...

Albite sample approximately 1" (3cm) in size Used as a hardness standard of 6, and exhibits two planes of cleavage Perfect size for use in classro...

HEMATITE | This specular variety of hematite takes the form of tiny, sparkling iron oxide crystals GREAT FOR GEOLOGY CLASSROOMS | Perfect for demo...

HALITE | Halite is commonly known as table salt. This soft, white to transparent mineral grows into cleavable cubes GREAT FOR GEOLOGY CLASSROOMS |...

MILKY QUARTZ | One of the most abundant minerals on Earth. The tightly packed framework of silica tetrahedral that makes up this mineral gives it ...

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...

MUSCOVITE MICA | Muscovite mica is a mineral that forms from cooling magma. It forms in thin sheets that are individually weak, but comprehensivel...

MUSCOVITE MICA | Muscovite mica is a mineral that forms from cooling magma. It forms in thin sheets that are individually weak, but comprehensivel...

PYRITE | Pyrite forms as hot water flows through fractures in subsurface rock. This deposition method allows pyrite to replace other minerals or f...

BIOTITE MICA | Found within igneous and metamorphic rocks. Biotite mica's sheet like appearance and glassy luster make this mineral easy to identi...

Corundum sample approximately 1" (3cm) in size Great for studying mineral hardness and crystal habit - only diamond is harder! Perfect...

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,...

Twelve corundum samples approximately 1" (3cm) in size Great for studying mineral hardness and crystal habit - only diamond is harder! ...

MAGNETITE | Magnetite forms as an accessory mineral from an igneous melt. As it cools, the iron in its atomic structure becomes magnetized GREAT F...

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, ...

HALITE | Halite is commonly known as table salt. This soft, white to transparent mineral grows into cleavable cubes GREAT FOR GEOLOGY CLASSROOMS |...

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...

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, ...

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...