Explore the fascinating world of minerals in this comprehensive Earth Science lecture. Delve into the definition of minerals and rocks, examining their various properties including optical characteristics like luster, color, streak, and transparency. Investigate crystal shapes and strength properties such as hardness, cleavage, fracture, and tenacity. Learn about different mineral groups, with a focus on silicate minerals and their formation. Discover light silicates like feldspar, quartz, muscovite, and clay minerals, as well as dark silicates including olivine, pyroxenes, amphiboles, biotite, and garnet. Examine nonsilicate groups and test your knowledge with thought-provoking questions about mineral definitions, mechanical responses, and elemental composition. Access additional demo videos on streak, habit, and chemical tests to enhance your understanding of these geological wonders.
Overview
Syllabus
Intro
DEFINING A MINERAL
WHAT IS A ROCK?
PROPERTIES OF MINERALS
OPTICAL PROPERTIES: LUSTER
OPTICAL PROPERTIES: COLOR
OPTICAL PROPERTIES: STREAK
OPTICAL PROPERTIES: TRANSPARENCY
CRYSTAL SHAPE
STRENGTH PROPERTIES: HARDNESS
STRENGTH PROPERTIES: CLEAVAGE (CONT'D)
STRENGTH PROPERTIES: FRACTURE
STRENGTH PROPERTIES: TENACITY
OTHER PROPERTIES
MINERAL GROUPS
SILICATE MINERALS
SILICATES GROUPS
THE FORMATION OF SILICATES
LIGHT SILICATES: FELDSPAR
LIGHT SILICATES: QUARTZ
LIGHT SILICATES: MUSCOVITE
LIGHT SILICATES: CLAY MINERALS
DARK SILICATES: OLIVINE
DARK SILICATES: PYROXENES
DARK SILICATES: AMPHIBOLES
DARK SILICATES: BIOTITE
DARK SILICATES: GARNET
NONSILICATE GROUPS
WHICH OF THE FOLLOWING IS A MINERAL AS DEFINED BY A GEOLOGIST?
WHICH ONE OF THE FOLLOWING DESCRIBES A MINERALS RESPONSE TO MECHANICAL IMPACT?
2 WHICH ONE OF THE FOLLOWING DESCRIBES A MINERAL'S RESPONSE TO MECHANICAL IMPACT?
WHAT IS THE MOST ABUNDANT ELEMENT FOUND NEAR THE SURFACE OF EARTH?
THE SILICON-OXYGEN TETRAHEDRON, THE MOST FUNDAMENTAL BASIS FOR FORMING MINERALS, CONTAINS
A MINERAL FORMED ENTIRELY FROM SILICON AND OXYGEN IS
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Spahn's Science Lectures
