You Searched For: Classroom Minerals

+ward’ssciencewardsci.com800-962-2660 Anorthoclase (Na, K) AlSi3 O8 (Feldspar Group) Crystallography: Triclinic; 1. Twinning common. Physical Properties: Cleavage: Principle cleavage at right angles or very close to 90°. Fracture uneven; brittle. ...

+ward’ssciencewardsci.com800-962-2660 Beryl Be3 Al2 Si6 O18 Crystallography: Hexagonal; 6/m2/m2/m. Strong prismatic habit; frequently vertically striated and grooved. Forms usually present consist only of {1010} and {0001}. Physical Properties: Cl...

+ward’ssciencewardsci.com800-962-2660 Biotite K (Mg, Fe+2)3 (Al, Fe+3) Si3 O10 (OH,F)2 (Mica Group) Crystallography: Monoclinic; 2/m. Usually in irregular foliated masses, and rarely in tabular or short prismatic crystals. Physical Properties: Cle...

Bufo Toad Conditions for Customer Ownership (per USDA Permits) We hold permits allowing us to transport these organisms. To access permit conditions, click here. Never purchase living specimens without having a disposition strategy in place. A per...

+ward’ssciencewardsci.com800-962-2660 Cinnabar HgS Crystallography: Hexagonal-R; 32 (low temperature form). Crystals usually rhombohedral, often in penetration twins. Commonly fine granular, massive; also earthy. Physical Properties: Cleavage: {10...

Working with Insect Cultures Blowflies and Fleshflies Calliphora sp., Sarcophaga bullata In addition to blowflies and fleshflies, the order Diptera also includes mosquitoes, midges, and sawflies. All of these insects provide examples of complete m...

1 All About Elements: Oxygen http://boreal.com boreal.com | 800-387-9393 2 3 Fun Facts About… Oxygen 1. Oxygen constitutes 21% of our atmosphere, nearly half the mass of the earth’s crust and about two thirds of the human body. It is the third mos...

+ward’ssciencewardsci.com800-962-2660 Limestone Type: Sedimentary; chemical or clastic. Texture/Appearance: Fine to coarsely crystalline; varieties may be dense, compact and graded to brecciated, styliolitic, or oolitic. Stratification usually ind...

wardsci.com 800-962-2660 Quartz (variety Jasper) Si O2 Crystallography: Hexagonal -R; 32 (low-quartz). Hexagonal; 622 (high quartz). Cryptocrystalline; massive granular. Physical Properties: Cleavage: Generally none; occasional indistinct rhombohe...

+ward’ssciencewardsci.com800-962-2660 Tuff Type: Igneous; extrusive (pyroclastic). Texture/Appearance: Clastic texture with angular rock and mineral fragments and lapilli mixed with fine-grained volcanic ash, partly cemented by sedimentary materia...

+ward’ssciencewardsci.com800-962-2660 Arkose Type: Sedimentary; clastic. Texture/Appearance: Usually coarse-grained, sometimes with pebbles. Angular to subangular, poorly to moderately well-sorted sand grains. No Fossils. Color: Gray, pink or redd...

wardsci.com 800-962-2660 Chalcopyrite Cu Fe S2 Crystallography: Tetragonal; 42m. Usually massive; crystals commonly tetrahedral in aspect with the disphenoid. Physical Properties: Cleavage: Indistinct. Fracture uneven; brittle. Hardness: 3.5-4.0. ...

+ward’ssciencewardsci.com800-962-2660 Quartz (variety Tiger Eye) Si O2 Crystallography: Hexagonal -R; 32 (low quartz). Hexagonal; 622 (high quartz). Crystalline, fibrous pseudomorph. Physical Properties: Cleavage: Generally none; occasional indist...

1 All About Elements: Nitrogen http://boreal.com 2 3 boreal.com | 800-387-9393 Fun Facts About… Nitrogen 1. Nitrogen is the fourth most abundant element in the universe and it makes up the majority of the earth’s atmosphere, at a staggering 78 per...

Spotted Salamander Conditions for Customer Ownership (per USDA Permits) We hold permits allowing us to transport these organisms. To access permit conditions, click here. Never purchase living specimens without having a disposition strategy in pla...

+ward’ssciencewardsci.com800-962-2660 Diabase Type: Igneous; intrusive. Texture/Appearance: Often porphyritic; characterized by an ophitic groundmass where intersecting plagioclase laths are partially or completely enclosed by pyroxene. Massive wi...