You Searched For: research-minerals

+ward’ssciencewardsci.com800-962-2660 Augite (Ca,Na) (Mg,Fe,Al,Ti) (Si,Al)2 O6 (Pyroxene Group) Crystallography: Monoclinic; 2/m. Commonly prismatic crystals with rectangular cross-sections, or in granular crystalline masses. Physical Properties: ...

+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. ...

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's Geology/Earth Science Specimens, Collections, Kits and Resources for Grade K-12 Teaching earth science or environmental science in your core curriculum? We’ve got everything you need, from high quality geology specimens, to time-saving kits...

+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: Cleavag...

wardsci.com 800-962-2660 Marble Type: Metamorphic; regional and contact. Texture/Appearance: Fine to coarse-grained; granoblastic to saccharoidal. May appear patched or with streaks or banding that is deformed. Color: Variable, commonly white, pin...

+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...

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...

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...

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+ward’ssciencewardsci.com800-962-2660 Azurite Cu3 (CO3)2 (OH)2 Crystallography: Monoclinic; 2/m. Habit varies; crystals commonly complex and malformed. Also massive. Physical Properties: Cleavage: {011} perfect, {100} fair. Fracture conchoidal, br...

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wardsci.com 800-962-2660 Topaz Al2SiO4 (F,OH)2 Crystallography: Orthorhombic; 2/m2/m2/m. Crystals commonly prismatic with vertical prism faces often striated; also in crystalline masses or granular. Physical Properties: Cleavage: {001} perfect. Fr...

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...

ward’s sciencewardsci.com800-962-2660 Corundum Al2O3 Crystallography: Hexagonal-R; 32/m. Crystals commonly tabular on {0001} or prismatic {1120}; often rude barrel-shaped crystals. Usually massive; coarse or fine granular. Physical Properties: Cle...

ward’s sciencewardsci.com800-962-2660 Graphite C Crystallography: Hexagonal; 6/m2/m2/m. Usually in foliated or scaly masses, but may be radiated or granular. Crystals tabular, of hexagonal outline with prominent basal plane. Physical Properties: C...