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+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...

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...

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...

wardsci.com 800-962-2660 Pegmatite Type: Igneous; intrusive. Texture/Appearance: Very coarse-grained, marked by intergrowth of large (up to 1 cm) crystals. In some instances, individual crystals may grow up to several feet. Color: Varies; mostly l...

ward’s sciencewardsci.com800-962-2660 Bauxite Al (OH)3/AlO • OH Crystallography: A mixture; often pisolitic in round concretionary grains, and also earthy, massive. Physical Properties: Cleavage: None; uneven fracture. Hardness: 1.0-3.0. Specific ...

wardsci.com 800-962-2660 Fluorite Ca F2 Crystallography: Isometric; 4/m32/m. Usually cubic, often as penetration twins twinned on {111}. Other forms rare, commonly in crystals or cleavable masses; also massive, granular. Physical Properties: Cleav...

Andradite Ca3Fe2+3 (SiO4)3 (Garnet Group) Crystallography: Isometric; 4/m32/m. Common forms are dodecahedron and trapezohedron, often in combination. Also massive, granular. Physical Properties: Cleavage: None; parting sometimes distinct. Fracture...

ward’s sciencewardsci.com800-962-2660 Hornfels Type: Metamorphic, regional. Texture/Appearance: Homogeneous; dense, fine-grained. Granoblastic; may have porphyroblasts or any of the minerals present. Color: Varies; light to dark. May be pink, brow...

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...

+ward’ssciencewardsci.com800-962-2660 Ilmenite Fe+2 Ti O3 Crystallography: Hexagonal-R; 3. Crystals usually thick tabular with prominent basal planes and small rhombohedral truncations. Commonly in thin plates, massive or compact; also in grains o...

+ward’ssciencewardsci.com800-962-2660 Quartz (variety Milky) Si O2 Crystallography: Hexagonal -R; 32 (low-quartz.) Hexagonal; 622 (high-quartz.) Distinct crystals are rare; usually massive, fine to coarse crystalline. Physical Properties: Cleavage...