You Searched For: Minerals+and+Rocks+Earth+Science+Models

Painted Lady Butterfly Power Pack © 2022 Boreal Science. All rights reserved. +borealscience https://boreal.com/store/ Page 2 There is no better way to study life cycles than by observing the complete metamorphosis of live butterflies. Provide you...

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 Dolostone Type: Sedimentary, chemical. Texture/Appearance: Fine to coarsely crystalline grain size; sugary (saccharoidal). May contain various fossil relicts, molds, and casts. Stratification absent or irregular. Color: Li...

+ward’ssciencewardsci.com800-962-2660 Amphibolite Type: Metamorphic; regional. Texture/Appearance: Massive to foliated; gneissic to schistose. Color: Black to dark-green often speckled with white. Mineralogy/Chemistry: Mafic; composed primarily of...

wardsci.com 800-962-2660 Quartz (variety Smoky) Si O2 Crystallography: Hexagonal -R; 32 (low-quartz.) Hexagonal; 622 (high-quartz.) Crystals are commonly prismatic, with prism faces horizontally striated, and usually terminated by a positive and n...

Ward’s Science Tel: (866) 260-0501 47    2 The Science Teacher, Science Facilities by Design, Sandra S. West, Lamoine L. Motz, and James T. Biehle 3 National Science Teachers Association (NSTA). 2007. NSTA Position Statement: Liability of Scien...

Working with Insect Cultures Blowflies and Fleshflies Calliphora sp., Sarcophaga bullata In addition to blowflies and fleshflies, the order Diptera also includes mosquitoes, midges, and sawflies. All of these insects provide examples of complete m...

+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 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...

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. ...

wardsci.com 800-962-2660 Rhyolite Type: Igneous; extrusive. Texture/Appearance: Fine-grained, cryptocrystalline (and glassy) to microcrystalline; often porphyritic. May show flow banding. Color: Light colored; pink, gray, and purple. Mineralogy/Ch...

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...

+ward’ssciencewardsci.com800-962-2660 Quartz (variety Chert) Si O2 Crystallography: Hexagonal -R; 32 (low-quartz). Hexagonal; 622 (high quartz). Cryptocrystalline; massive granular. Physical Properties: Cleavage: Generally none; occasional indisti...

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...

+ward’ssciencewardsci.com800-962-2660 Diorite Type: Igneous; intrusive. Texture/Appearance: Massive, generally medium-to-coarse grained; subhedral, equigranular to por- phyritic. Differences in color and grain size are common with orbicular struct...