Week 1 Assignment Mineral Lab.docx (24K)
Cleavage & Fracture. Cleavage. Cleavage . Fracture. Cleavage. Cleavage . Fracture. Fracture Remember, the minerals include seven of the following: borax, calcite, corundum, graphite, gypsum, orthoclase feldspar, pyrite, quartz, talc … Get Document
INTRODUCTORY EARTH SCIENCE ROCK AND MINERAL COLLECTION
Beryl Rocks exhibiting streak, luster, cleavage or fracture characteristics Igneous Rocks Metamorphic Rocks 9. Indiana Gypsum-Selenite Mineral This clear variety of gypsum is used to make plaster. … Fetch Full Source
Mineral – Wikipedia, The Free Encyclopedia
Gypsum CaSO 4 ·2H 2 O; Calcite CaCO 3; Fluorite CaF 2; Apatite Ca 5 (PO 4) 3 (OH,Cl,F) Orthoclase KAlSi 3 O 8 Fracture describes how a mineral breaks when broken contrary to its natural cleavage planes. Chonchoidal fracture is a smooth curved fracture with concentric ridges of … Read Article
Minerals
And a distinctive set of physical properties, which include hardness, color, streak, luster, cleavage Gypsum (or selenite, a variety of gypsum) 2.2 Fingernail 3. 5.02 Comments: Often cubic in shape with striations on faces; also comes massive; conchoidal fracture … Read Here
Rock And Mineral
Physical Properties: Luster Hardness Color Streak Cleavage (the way is splits) Fracture (the way it breaks) Specific gravity Other mineral properties Chemical Properties: 22 Gypsum GENERAL: Gypsum is found as an extensive sedimentary deposit. It is normally the first salt dropped in the evaporation of … Access Document
GEOLOGY 335 LAB — MINERAL IDENTIFICATION REVIEW
This scale, known as Mohs' scale of hardness , is as follows: Mineral Scale Common Substance 1 Talc 2 Gypsum 2.5 thumbnail 3 Calcite 3 penny Such minerals do not have cleavage, but instead break or fracture in an irregular random manner. … Read Here
Mineral Properties
Mineral Properties Mineral Metallic/ Non-Metallic Streak Hardness Cleavage/ Fracture Special Properties Biotite NM (Vitreous) White/Gray2.0-3.0 Cleavage (Planar) Dark Mica Calcite NM (Vitreous) White 2.5-3.0 Cleavage (Rhombohedral) Fizzes with HCl Graphite Metallic Black 1.0-2.0 Cleavage Gypsum NM (Pearly/Silky) White 2 Cleavage … Retrieve Full Source
Chemistry Of Diamond – Properties & Types Of Diamonds
Chemistry of Diamonds – Properties & Types of Diamonds Properties of Diamonds. Diamond is the hardest natural material. The Mohs hardness scale, on which diamond is a '10' and corundum (sapphire) is a '9', doesn't adequately attest to this incredible hardness, as diamond is exponentially … Read Article
“My Field Guide To Mineral Identification”
There is a copy of Moh's Scale of Hardness and a cheat sheet for cleavage and fracture to help you out! 1. Erika has found a mineral that scratches quartz. Could it be gypsum? … Fetch Content
Luster
These are the minerals: Earthy Hematite, Metallic Hematite, Galena, Magnetite, Pyrite, Sulfur, Amphibole (Hornblende), Biotite Mica, Olivine, Pyroxene, Calcite, Potassium Feldspar (Orthoclase), Plagioclase Feldspar, Garnet, Gypsum, Quartz, and Muscovite Mica. Mineral Name Luster Cleavage or Fracture … Doc Viewer
Www.glastonburyus.org
IDENTIFYING MINERALS HARDNESS COLOR STREAK LUSTER DENSITY CRYSTAL SHAPE CLEAVAGE FRACTURE FLOURESCENCE SPECIAL PROPERTIES HARDNESS COLOR STREAK LUSTER scratched hardness fingernail 2½ copper penny 3 knife blade 5½ glass 5½ steel file 6½ streak plate (floor tile) 6½ Talc Gypsum … Fetch Document
MINERALS PRE-LAB
For the following pairs, circle the harder substance of each pair: Quartz or Calcite Corundum or Orthoclase Gypsum or Fingernail Calcite or Fingernail Window glass or Quartz Cleavage and Fracture: The non-metallic minerals … View This Document
Name: _____ Date …
What type of breakage is more common: cleavage or fracture? 4. What is the most common element found in the composition of minerals? What is selenite gypsum used for? 16. Which mineral has a gray streak, a highly metallic luster and shows cleavage? … Get Doc
Section-2 Mineral Identification Pg.68
Gypsum. Calcite . Fluorite. Apatite. Feldspar . Quartz. Topaz. Corundum. Diamond . Rating Identify the minerals below for cleavage and fracture . CLEAVAGE . FRACTURE … Return Document
EXERCISE 2 IDENTIFICATION OF ROCK-FORMING MINERALS
Minerals can fracture in a variety of ways, listed below: Cleavage – breaks along specifically oriented planes of weakness. Al(Si,Al) 8 O 22 (OH) 2 Barite BaSO 4 Pyroxene Ca(Mg,Fe,Al)(Al, Si) 2 O 6 Malachite Cu 2 (CO 3)(OH) 2 Talc Mg 3 Si 4 O 10 (OH) 2 F luorite CaF 2 Gypsum … View Full Source
Chapter #3 Review B (#16-25 ) Thinking Critically #16-20 16 …
Monoclinic, triclinic, topaz, corundum, halite, wulfenite, gypsum, and albite. 13) Compare and contrast the properties of cleavage and fracture. Give an example of a mineral that cleaves and one that fractures. … Document Viewer
Rock And Mineral Identification Lab
Color, no cleavage, commonly found in twelve-sided crystals (dodecahedrons) Graphite "Pencil lead", soft metallic mineral, gray streak Gypsum H=2 directions of cleavage at 90 degrees, similar properties to orthoclase Pyrite "Fool's Gold", gold metallic color Quartz H=7, conchoidal fracture, no cleavage … Visit Document
Earth Materials I
* * * * * * * * * * * * * Mineral Identification Properties Hardness Crystal Form Cleavage Fracture Color Streak Luster Others of chemical bonds between atoms Mineral Identification Properties Hardness Crystal Form Cleavage Fracture Color Streak Luster Others Mineral Mohs Common Hardness Object Talc 1 Gypsum 2 … Fetch Doc
Scheelite – Wikipedia, The Free Encyclopedia
Scheelite possesses distinct cleavage and its fracture may be subconchoidal to uneven. Its specific gravity is high at 5.9–6.1 and its hardness is low at 4.5–5. Aside from pseudo-octahedra, scheelite may be columnar, granular, tabular or massive in habit. … Read Article
GOL 105: Mineral Identification Lab
Habit (or Shape) Definition: Examples/Range: Cleavage Definition: Examples/Range: Fracture Definition: Examples/Range: can scratch with fingernail Talc clear, white, grey, yellow, can scratch with fingernail Gypsum Cleavage poor or absent Scratches glass green color Olivine conchoidal fracture … Fetch Here