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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...

+ward’ssciencewardsci.com800-962-2660 Staurolite (Fe+2, Mg, Zn)2 Al9 (Si, Al)4 O22 (OH)2 Crystallography: Monoclinic (pseudo-orthorhombic); 2/m. Crystals prismatic with common forms {110}, {001}, and {101}. Cruciform twins very common (at nearly 9...

+ward’ssciencewardsci.com800-962-2660 Schorl (Tourmaline Group) Na Fe3+2 Al6 (BO3)3 Si6 O18 (OH)4 Crystallography: Hexagonal -R; 3m. Usually in prismatic crystals with rounded triangular cross- section due to prominent trigonal prism and subordina...

+ward’ssciencewardsci.com800-962-2660 Oligoclase (Na,Ca) Al (Al,Si) Si2O8 (An10-30) (Feldspar Group) (see also Plagioclase) Crystallography: Triclinic; 1. Crystals usually tabular parallel to {010}; twinning frequent as in albite. Commonly as irre...

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 Diopside CaMg Si2O6 (Pyroxene Group) Crystallography: Monoclinic; 2/m. Crystals prismatic showing square or 8-sided cross section; also granular, massive. Physical Properties: Cleavage: {110}, at 87° and 93°, ...

+ward’ssciencewardsci.com800-962-2660 Goethite Fe+3 O (OH) (See also Limonite) Crystallography: Orthorhombic; 2/m2/m2/m. Acicular or rarely in distinct prismatic, vertically striated crystals. Also massive, reniform, stalactitic, or in radiating f...

Annelids 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. •There...

+ward’ssciencewardsci.com800-962-2660 Gneiss Type: Metamorphic; regional. Texture/Appearance: Foliated, often with distinct banding (segregation) of minerals; some preferred orientation in micas (platy) or hornblende (prismatic crystals). Medium t...

+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’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 Diamond C Crystallography: Isometric; 4/m32/m. Crystals usually octahedral, but can be cubic or dodecahedral; curved faces are frequently observed. Physical Properties: Cleavage: {111} perfect; 4-cleavage directions. Fract...

Drosophila Drosophila melanogaster is an excellent organism for use in the study of genetics. Its small size, relative ease of mainte- nance, short life cycle, and its ability to produce many offspring have lent it to the demonstration of Mendelia...

Kaolinite Al2 Si2 O5 (OH)4 Crystallography: Triclinic; 1. In very minute, thin, rhombic or hexagonal plates. More commonly in clay-like masses. Physical Properties: Cleavage: {001} perfect; flexible, inelastic. Usually unctuous and plastic. Hardne...

+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...

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. ...