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Shale

+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...

Anorthite

+ward’ssciencewardsci.com800-962-2660 Anorthite CaAl2Si2O8(An90-100) (Feldspar Group) (see also Plagioclase) Crystallography: Triclinic; 1. Crystals usually prismatic parallel to c-axis; twinning as in albite. Commonly massive, cleavable, with gra...

Apatite

+ward’ssciencewardsci.com800-962-2660 Apatite Ca5(PO4)3(F,Cl,OH) Crystallography: Hexagonal; 6/m. Commonly occurs in crystals of long prismatic habit; also in mas- sive to compact masses. Physical Properties: Cleavage: {0001} poor. Fracture concho...

Peridotite

wardsci.com 800-962-2660 Peridotite Type: Igneous; intrusive. Texture/Appearance: Medium to coarse-grained; massive, granular, sometimes porphyritic. Color: Medium gray to greenish-gray. Mineralogy/Chemistry: Ultramafic, with mafic minerals greate...

Necturus (Mud Puppy)

Conditions for Customer Ownership 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. An end-user permit is required in ...

Pyrrhotite

wardsci.com 800-962-2660 Pyrrhotite Fe1-xS (x = 0 - 0.17) Crystallography: Monoclinic; 2/m (below about 250°C). Hexagonal; 6/m3/m2/m for high tempera- ture forms. Crystals rare, usually tabular to platy on {0001}. Also massive, granular. Physical ...

Schorl

+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...

Augite

+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: ...

Topaz

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...

Cinnabar

+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...

Biotite

+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...

Corundum

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...

Anothoclase

+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. ...

Working with Nasonia

Working with Nasonia Manual Working with Nasonia Nasonia vitripennis is a small parasitic wasp that is involved in a symbiotic relationship with a host organism known as Sarcophaga bullata, or a flesh fly. More specifically, Nasonia is a “parasito...

Quartz(Chalcedony)

+ward’ssciencewardsci.com800-962-2660 Quartz (variety Chalcedony) Si O2 Crystallography: Hexagonal -R; 32 (low-quartz). Hexagonal; 622 (high quartz). Cryptocrystalline; massive. Often, mammillary, botryoidal, or stalactitic. Physical Properties: C...

Reference Manual

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