Mineral Identification Prep for Exam 1 MNE 210 PDF

PRESENTATION NAME 1 COMPANY NAME “ MNE 210: Mineral Identification Prep for Exam 1  PRESENTATION NAME Cleavage “ VS. Fracture Cleavage is the Fracture is the ordered breakage of unorde...

PRESENTATION NAME 1 COMPANY NAME “ MNE 210: Mineral Identification Prep for Exam 1  PRESENTATION NAME Cleavage “ VS. Fracture Cleavage is the Fracture is the ordered breakage of unordered a mineral along breaking of a specific planes due to mineral. Think of its weaker bonds. it as a demolition Think of it as a without any structured rhyme or reason.  PRESENTATION NAME “Cleavage Example https://youtu.be/IILYVygxQ00 Calcite, when broken, exhibits 3 plans of cleavages, not at 90.  PRESENTATION NAME “Fracture Example https://youtu.be/my- vY6Ux6lE Quartz, when broken, exhibits no fracture, and instead fractures conchoidally.  PRESENTATION NAME “Types of Cleavage 1 Direction: Basal, Example: Muscovite 2 Directions @ 90: Pinacoidal, Example: Feldspars 2 Directions not at 90: Prismatic, Example: Hornblende 3 Directions at 90: Cubic, Example: Halite 3 Directions not at 90: Rhombohedral, Example: Calcite 4 Directions: Octahedral, Example: Fluorite  PRESENTATION NAME “ Visual Guide for Habits  PRESENTATION NAME “  PRESENTATION NAME “Dipyramidal Habit → ← Cubic Habit  PRESENTATION NAME “ Bladed Habit → ← Tabular Habit  PRESENTATION NAME “ Druzy Habit → ← Acicular Habit  PRESENTATION NAME “ Dendritic Habit → ← Radial Habit  PRESENTATION NAME “ Fibrous Habit → ← Prismatic habit  PRESENTATION NAME “ Botryoidal habit → ← Stalactitic habit  PRESENTATION NAME “ Oolitic habit → ← Pisolitic habit  PRESENTATION NAME “ Foliated habit →  PRESENTATION NAME “ KEY REMINDERS FOR QUICK IDENTIFICATION  PRESENTATION NAME “ ORDER OF IDENTIFYING MINERAL IF NON METALLIC IF FELDSPAR IF METALLIC If white and associated Test under acid with Low Bowens: Check if magnetic Test Hardness Albite Test Hardness Test Streak If Orange Streak: Test streak Check cleavage/fracture Oligoclase Check Cleavage/fracture Look at habit If Labradorescence: Break specimen and look Look at Luster Labradorite at oxidation color Look for any associated If yellow, translucent: Look at habit minerals Bytownite Look for any associated If Grey/dark associated minerals with Top Bowens: Anorthite  PRESENTATION NAME ORDER OF IDENTIFYING “ MINERAL CONTINUED IF MICA/MICA-LIKE IF K-FELDSPAR RULES OF THUMB If pink: Lepidolite If pink/salmon/orange: Carbonates fizz If black: Biotite Orthoclase Chrysocolla sticks to wet If Bronze: Phlogopite If experiencing finger If large, carlsbad twinning: Talc powder is soapy, transparent/whitish: If triclinic: Microcline Kaolinite powder is Muscovite If monoclinic: Sanidine chalky If small books and Calcite has bronze/gold edges: effervescence Vermiculite Cuprite will plate steel If small books and blade covered in acid silvery/green color: black Chlorite Halite is salty Lazurite only with pyrite  PRESENTATION NAME “ STUDY BOWENS, MOHS, MINERAL STREAKS STUDY YOUR LABS AND QUIZZES