You Searched For: Iron+(II,III)+oxide

Essentials +ward’sscience Ward’s Science Essentials Chemicals List We have all the chemicals you need! • Save time and stock your chemical with Ward’s Chemicals • Largest selection of chemicals • Designed for chemistry education • Chemicals for ev...

+ward’ssciencewardsci.com800-962-2660 Magnetite Fe+2Fe2+3O4 (Spinel Group) Crystallography: Isometric; 4/m32/m. Frequently in octahedral crystals; rarely dodecahedral. Commonly coarse-to fine-grained granular massive. Physical Properties: Cleavage...

+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 fibro...

wardsci.com 800-962-2660 Limonite FeO • OH • nH2O Crystallography: Not crystallized a mineral colloid. Usually stalactitic botryoidal or mammillary; also fibrous massive earthy. Physical Properties: Cleavage: None apparent. Hardness: 5.0-5.5. Spec...

ward’s sciencewardsci.com800-962-2660 Hematite Fe2 O Crystallography: Hexagonal -R; 32/m. Crystals thick to thin tabular on {0001}; more rarely rhombohe- dral. Also micaceous to platy botryoidal to reniform and commonly earthy. Physical Properties...

Biosafety Cabinets: Class I II and III VWR® offers biosafety cabinets that provide air cleanliness in Class I Class II or Class III environments. When working with hazardous products our line of biosafety cabinets protect both the user and environ...

wardsci.com 800-962-2660 Chromite Fe+2 Cr2 O4 (Spinel Group) Crystallography: Isometric; 4/m32/m. Habit octahedral but crystals small and rare; most often granular to compact; massive. Physical Properties: Cleavage: None. Fracture uneven; brittle....

+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 or...

+ward’ssciencewardsci.com800-962-2660 Quartzite Type: Metamorphic; regional. Texture/Appearance: Massive with generally small grain size; sometimes saccharoidal. Grain size (sand size 1/16-2mm) dependent on original detritus. Generally non-foliate...

Specialty Inorganic Compounds Inorganics in general are ionic compounds consisting of cations and anions joined by ionic bonding. Examples of inorganics (which are ionic compounds) are magnesium chloride MgCl2 or sodium oxide Na2O. Important salts...

+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 reddish...

ward’s sciencewardsci.com800-962-2660 Gabbro Type: Igneous; intrusive. Texture/Appearance: Granular; medium-grained. Color: Dark medium gray green-gray or brownish-gray. Mineralogy/Chemistry: Mafic; with essential plagioclase (50%-75%) and pyroxen...

Restriction Enzymes: An Overview Restriction Enzymes: An Overview It will also discuss the applications of restriction enzymes in molecular biology and biotechnology and the potential limitations when working with these enzymes. See products range...

+ward’ssciencewardsci.com800-962-2660 Conglomerate Type: Sedimentary; clastic. Texture/Appearance: Coarse-grained rock containing rounded to subangular clasts of greater than 2mm in diameter scattered in a finer-grained matrix of sand silt and/or ...

+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 indist...

+ward’ssciencewardsci.com800-962-2660 Shale Type: Sedimentary; clastic. Texture/Appearance: Very fine-grained (clay to silt-sized particles) grains not distinguishable to the naked eye. A relatively soft rock with fine laminae; may display carbona...