topic for the day minerals. a mineral is: naturally occurring, solid & inorganic
TRANSCRIPT
TOPIC FOR THE DAY
MINERALS
A Mineral is:
Naturally occurring, solid & inorganic
A mineral has
An orderly internal structureits atoms must be arranged in a definite pattern
Mineral composition
Must have a definite chemical composition that may vary within specified limits
Physical Properties
Crystal forms
Luster
Hardness
Cleavage
Color
Streak
Fracture
Specific Gravity
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Only substances that meet these precise
conditions are considered minerals.
Moh’s Scale of Moh’s Scale of Hardness is a Hardness is a numerical scale numerical scale for the hardness for the hardness of minerals. of minerals. Hardness ranges Hardness ranges from 1 - 10.from 1 - 10.
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Assignments for lab
Create a table for the identification of assigned minerals. The table should include characteristics such as, hardness, density, habit, crystal form, etc.Create your test kit. Kit should include: nail, small piece of copper, unglazed 2” x 2” ceramic tile and glass tile, hydrochloric acid (0.05% solution), small magnet, and a magnifying glass.Final research project: Research each mineral assigned and add at least five more minerals to your list of your choosing. You will then create a PowerPoint presentation that will include the mineral, image of mineral, economic use, defining characteristics, environment of formation and where they can be located throughout the world.
Due dates
Next slide
Minerals to research Mineral name
Graphic image Defining characteristics
Image citation (location)
Talc
Calcite
Diamond
Corundum
Fluorite
Feldspar (potassium and orthoclase)
Apatite
Quartz (igneous and sedimentary)
Gypsum
Topaz
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Where to send completed work
Once your assignment is completed, send them to the following e-mail address created especially for this assignment.
Due dates
Your completed mineral table is due by week 2 of this course.Your completed research project is due by week six of this course and will be counted as your final exam.
Return to: http://www.geocities.com/snooppoopalvarado