Specimens

Augen gneiss sample approximately 1" (3cm) in size Ideal for students learning about differential stresses and foliation in metamorphic ro...

Hornfels sample approximately 1" (3cm) in size Formed at the baked contact between an intruding igneous body and the surrounding rock ...

Quartzite sample approximately 1" (3cm) in size The further compaction of sandstone's sturdy silicate framework makes quartzite one of the...

Same as per Cat. No. PH0241 but made of Stainless Steel.

Crystalline desert rose sample measuring about 1.5-2" in diameter Despite its size, each rose weighs between 1 and 2 ounces, indicative of its rel...

2"-2.5" specimen of chalcopyrite, altered to the brightly iridescent peacock ore Iron and copper in chalcopyrite oxidize under acidic conditions, ...

3" specimen of native copper Twisted, wirelike shape betrays formation as a fracture-filling mineral Each sample of copper weighs between 2 and 3 ...

2"-2.5" sample of optical calcite, also known as Iceland Spar Optical calcite is birefringent, allowing it to split and transmit beams of light in...

Calcite septarian plate approximately 8" in diameter Septarian nodules have a carbonate center surrounded by cemented sediments of sand and mud Th...

Grow your own crystals on the "bubble rocks" with a simple experiment Included are two samples of the bubble rock (a gray limestone) and instructi...

3" hand sample of galena, a lead ore Brilliant silver cubes exhibit galena's characteristic luster and cleavage Galena's high specific density mak...

Sample of crystalline pyrite up to 3" in length Each piece contains 10-20mm crystals that shine brilliantly in the light Bright, metallic luster g...

Sample of crystalline pyrite up to 2" in length Each piece shines brilliantly on crystals around 2-10mm in size Bright, metallic luster gives pyri...

Single-point, polished quartz crystal between 1.5" and 2" in length Each piece is crystal clear, and takes the euhedral hexagonal form of quartz F...

BRECCIA | The large, angular clasts in breccia make it possible to confidently ascertain the depositional history of the rock GREAT FOR GEOLOGY CL...

CONGLOMERATE | The large clasts in conglomerate indicate that the pieces of rock underwent a large amount of rolling, bouncing, and other weatheri...

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 ...

BRECCIA | The large, angular clasts in breccia make it possible to confidently ascertain the depositional history of the rock GREAT FOR GEOLOGY CL...

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

BASALT | Basalt makes up a large majority of the earth's oceanic crust. Formed quickly from a magma that is rich in iron, basalt exhibits a dark c...

HORNBLENDE | Hornblende is part of a group of minerals known as amphiboles. These minerals are chemically and structurally similar to pyroxenes, b...

FOSSILIFEROUS LIMESTONE | This rock formed at the bottom of a marine environment through the compaction of deceased organic matter in a clay or si...

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...

FOSSILIFEROUS LIMESTONE | This rock formed at the bottom of a marine environment through the compaction of deceased organic matter in a clay or si...

WHITE SANDSTONE | White Sandstone is a recognizable sedimentary rock made up of well sorted and rounded grains of quartz, indicating that the clas...

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

PINK GRANITE | Commonly found as magmatic intrusions in the crust, granite forms slowly in shallow or evolved magma chambers. The large crystals a...

PUMICE | Pumice is formed from the frothy lava that a volcanic explosion creates. As the frothy lava cools, it hardens as a light weight rock that...

CARBONACEOUS SHALE | Shale is formed from the cementation and lithification of very small grains of rock, commonly mud or clay. The black color of...

Fossil replica of a Paleozoic bivalve shell measuring approximately 1" (3cm) Fossil is made from a sturdy resin designed to last through heavy cla...

LIMESTONE CHALK | Limestone is made up of organic material, primarily calcium carbonate. The chalk variety consists of the shells of coccolithopho...

Fossil replica of a Mesozoic echinoderm measuring approximately 4cm (1.25") Sturdy fossil replica made from resin is designed to last through heav...

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...

PUMICE | Pumice is formed from the frothy lava that a volcanic explosion creates. As the frothy lava cools, it hardens as a light weight rock that...

GABBRO | Gabbro is formed within magma chambers, deep within the earth. The chambers hold iron-rich rock melt, too heavy to reach the surface. As ...

BASALT | Basalt makes up a large majority of the earth's oceanic crust. Formed quickly from a magma that is rich in iron, basalt exhibits a dark c...

DIORITE | The minerals within diorite can be readily identified due to their large size, and by comparing the relative abundance of each mineral, ...

PERIDOTITE | Peridotite is an iron-rich ultramafic rock, with a chemistry that suggests genesis from a point deep within the crust, possibly as de...

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

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

ANDESITE | Andesite features abundant phenocrysts in a fine grained matrix, and offers a great demonstration of igneous porphyry GREAT FOR GEOLOGY...

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

GABBRO | Gabbro is formed within magma chambers, deep within the earth. The chambers hold iron-rich rock melt, too heavy to reach the surface. As ...

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,...

Fossil replica of a Mesozoic fish imprint measuring approximately 1.5"x3" (4x10cm) Replica is built from a sturdy resin designed to last through h...