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EyeProtectionScienceOlympiad-FINAL 7-29-15 Science Olympiad Eye Protection Policy Updated July 29, 2015 Purpose: This policy provides details regarding EYE PROTECTION in those events where an Event Rule requires Eye Protection. The objective is to...

wardsci.com 800-962-2660 Opal SiO2 • nH2O Crystallography: None, amorphous. Massive, often in rounded and botryoidal forms, sometimes pisolitic. Physical Properties: Cleavage: None; conchoidal fracture. Hardness: 5.0-6.0. Specific Gravity: 2.0-2.2...

+ward’ssciencewardsci.com800-962-2660 Quartz (variety Rock Crystal) Si O2 Crystallography: Hexagonal -R; 32 (low-quartz). Hexagonal; 622 (high quartz). Crystals commonly prismatic, with prism faces horizontally striated and usually terminated by p...

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’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...

wardsci.com 800-962-2660 Sphalerite (Zn,Fe) S Crystallography: Isometric; 43m. Crystals usually tetrahedral or dodecahedral and often distorted and complex; rough, curved faces common. Usually in cleavable masses, coarse to fine granular. Physical...

Layout 1 White Worms 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 p...

ward’s sciencewardsci.com800-962-2660 Barite BaSO4 (Barite Group) Crystallography: Orthorhombic; 2/m2/m2/m. Crystals usually tabular on {001}; often diamond-shaped. May also be coarsely laminated; granular, earthy. Physical Properties: Cleavage: {...

+ward’ssciencewardsci.com800-962-2660 Basalt Type: Igneous; extrusive/intrusive. Texture/Appearance: Fine-grained intergranular plagioclase, pyroxene, and oxides; may contain interstitial glass. Structure massive with some vacuoles occurring. Colo...

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...

*IMPORTANT! PLEASE COMPLETE* CREDIT CARD INFORMATION VISA/MC _________________________ EXP._____ CVV2#______ The CVV2# is the last three digits of the number on the back of your card Ship to: _______________________________________________________...

wardsci.com 800-962-2660 Hornblende (Ca,Na)2-3 (Mg,Fe,Al)5 SI6 (Si,Al)2 O22 (OH)2 (Amphibole Group) Crystallography: Monoclinic: 2/m. Crystals prismatic usually terminated by {011}. May be columnar to fibrous; coarse-to fine-granular. Physical Pro...

+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...

Ver 1.0 THIS MUST BE PLACED ON CUSTOMER LETTERHEAD AND SIGNED BY CUSTOMER Routed Export Transaction Certification On behalf of (Insert VWR Customer Name HERE ) I acknowledge and agree that all shipments from VWR International, LLC are “Routed Expo...

+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 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...