GEOL Lab - Midterm Exam (Silicate Minerals)

0.0(0)
Studied by 0 people
call kaiCall Kai
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
GameKnowt Play
Card Sorting

1/14

encourage image

There's no tags or description

Looks like no tags are added yet.

Last updated 11:23 PM on 3/17/26
Name
Mastery
Learn
Test
Matching
Spaced
Call with Kai

No analytics yet

Send a link to your students to track their progress

15 Terms

1
New cards
<ul><li><p>Commonly white in color</p></li><li><p>Very soft hardness</p></li><li><p>Soapy feeling to the touch</p></li></ul><p></p>

  • Commonly white in color

  • Very soft hardness

  • Soapy feeling to the touch

Talc

2
New cards
<ul><li><p>Earthy smell</p></li><li><p>Only mineral powder we work with</p></li><li><p>No apparent cleavage</p></li></ul><p></p>

  • Earthy smell

  • Only mineral powder we work with

  • No apparent cleavage

Clays

3
New cards
<ul><li><p>Transparent in thin sheets</p></li><li><p>Highly elastic in thin sheets</p></li><li><p>Clear to silver color</p></li><li><p>Good basal cleavage</p></li></ul><p></p>

  • Transparent in thin sheets

  • Highly elastic in thin sheets

  • Clear to silver color

  • Good basal cleavage

Muscovite

4
New cards
<ul><li><p>Dark brown to black color</p></li><li><p>Transparent but still darkly colored in thin sheets</p></li><li><p>Good basal cleavage</p></li></ul><p></p>

  • Dark brown to black color

  • Transparent but still darkly colored in thin sheets

  • Good basal cleavage

Biotite

5
New cards
<ul><li><p>Has a “crushed” appearance</p></li><li><p>Soft hardness</p></li><li><p>Dark green in color</p></li></ul><p></p>

  • Has a “crushed” appearance

  • Soft hardness

  • Dark green in color

Chlorite

6
New cards
<ul><li><p>Light gray to pale blue in color</p></li><li><p>Platey to tabular crystals</p></li></ul><p></p>

  • Light gray to pale blue in color

  • Platey to tabular crystals

Kyanite

7
New cards
<ul><li><p>Flesh pink to light gray in color</p></li><li><p>Contains perthitic intergrowths (color markings)</p></li></ul><p></p>

  • Flesh pink to light gray in color

  • Contains perthitic intergrowths (color markings)

Orthoclase (K-feldspar)

8
New cards
<ul><li><p>Dirty white in color</p></li><li><p>Striations present on cleavage fragments</p></li></ul><p></p>

  • Dirty white in color

  • Striations present on cleavage fragments

Sodium Plagioclase

9
New cards
<ul><li><p>Dark gray in color</p></li><li><p>Some parts may show a play of color</p></li><li><p>Striations present on cleavage fragments</p></li></ul><p></p>

  • Dark gray in color

  • Some parts may show a play of color

  • Striations present on cleavage fragments

Calcium Plagioclase

10
New cards
<ul><li><p>Dark green in color</p></li><li><p>Cleavage fragments are stubby</p></li></ul><p></p>

  • Dark green in color

  • Cleavage fragments are stubby

Augite (pyroxene)

11
New cards
<ul><li><p>Long, jet black cleavage fragments</p></li><li><p>Commonly has tiny biotite flakes in the fragments</p></li></ul><p></p>

  • Long, jet black cleavage fragments

  • Commonly has tiny biotite flakes in the fragments

Hornblende (amphibole)

12
New cards
<ul><li><p>Granular masses that are fine-grained light green</p></li><li><p>“Sugary-looking” in appearance</p></li></ul><p></p>

  • Granular masses that are fine-grained light green

  • “Sugary-looking” in appearance

Olivine

13
New cards
<ul><li><p>Commonly dark red and reddish brown</p></li><li><p>Crystals are rounded with diamond shaped faces</p></li></ul><p></p>

  • Commonly dark red and reddish brown

  • Crystals are rounded with diamond shaped faces

Garnet

14
New cards
<ul><li><p>In lab, the mineral looks like a bone for some reason?</p></li><li><p>Very fine-grained with very sharp breaks</p></li><li><p>Commonly light gray</p></li></ul><p></p>

  • In lab, the mineral looks like a bone for some reason?

  • Very fine-grained with very sharp breaks

  • Commonly light gray

Quartz (fine-grained)

15
New cards
<ul><li><p>Looks and breaks like glass</p></li><li><p>Clear when pure but can be any color</p></li><li><p>6-sided crystal with pointed ends</p></li></ul><p></p>

  • Looks and breaks like glass

  • Clear when pure but can be any color

  • 6-sided crystal with pointed ends

Quartz (crystalline)