EES 1 Lab - Practical

Quartz (Mineral)
-dark & light & hexagonal crystals & transparent to white or any color & can be massive

Biotite (Mineral)
-dark & black, brown, dark green & thin flexible sheets

K-Feldspar (Mineral)
-light & 2 planes nearly @ 90° & white, cream to pink

Hornblende (Mineral)
-dark & black & 2 planes not @ 90°

Olivine (Mineral)
-olive to bright green & dark & light & conchoidal fracture

Muscovite (Mineral)
-light & transparent & thin flexible sheets & 1 plane of cleavage

Augite (Mineral)
-dark & 2 planes @ almost 90° &dark green to black

Plagioclase (Mineral)
-Iight &dark & white to gray or reddish to reddish brown & 2 planes nearly @ 90°

Magnetite (Mineral)
-metallic & light & black & magnetic

Calcite (Mineral)
-colorless, transparent, white, variety of colors & reacts to HCI & light

Pyrite (Mineral)
-metallic & brassy color & "fools gold"

Halite (Mineral)
-colorless, white, gray, yellow, red & table salt taste (don't actually taste)

Galena (Mineral)
-metallic & shiny lead gray & cubic

Serpentine (Mineral)
-slippery feel, fibrous, molten green & dark & light

Hematite (Mineral)
-red streak & streel gray & sometimes foliated & metallic

Gypsum (Mineral)
-clear to white to gray

Corundum (Mineral)
- usually pink, brown, blue & hexagonal crystals & dark

Talc (Mineral)
-Soapy feel & pale green, gray or whites

Fluorite (Mineral)
-octahedral & light & dark & variety of colors

Garnet (Mineral)
-NM & dark & usually burgundy, green, brown

Gneiss (Metamorphic)
-foliated (granite but foliated)

Slate (Metamorphic)
-foliated & fine grained & dull luster

Schist (Metamorphic)
-visible sparkling & foliated & medium to coarse grained

Amphibolite (Metamorphic)
-usually glossy hornblend

Phyllite (Metamorphic)
-foliated & fine grained & shiny metalic luster

Sandstone (Sedimentary)
-clastic comp & sand

Mudstone (Sedimentary)
-can be dry & clastic & split/clay & massive

Coal (Sedimentary)
-Organic comp

Coquina (Sedimentary)
-Biogenic comp & fizzes in acid

Fossiliferous Limestone (Sedimentary)
-Biogenic comp & fizzes in acid

Breccia (Sedimentary)
-clastic & angular

Obsidian (Igneous)
-black & glassy

Granite (Igneous)
-Silicic & k-spar (pinkish/tanish) & coarse

Gabbro (Igneous)
-mafic & no k spar & fine grained

Peridotite (Igneous)
-ultra mafic(dark to green) & coarse grained

Diorite (Igneous)
-Coarse & plagioclase & hornblende, no K feldspar

Rhyolite(Igneous)
-Silicic & usually pinkish

Tuff (Igneous)
-Silicic & Pyroclastic

Basalt (Igneous)
-Mafic

Lava flow/scoria (Igneous)
-Mafic &

Rhyolite ash
-pinkish & clumpier

Chalk
-fizzes with acid

Shale (Sedimentary)
-Clastic & mud & very fine

Andesite (igneous)
-

Bedding
-layers

Ripple Marks
-water

Pumice (Igneous)
-vesicular (holes) & lightweight & glassy

Conglomerate (Sedimentary)
-clastic & coarse

Ash (Igneous)
-pyroclastic & intermediate silica

Marble (Metamorphic)
-not foliated

Quartzite (Metamorphic)
-not foliated

Anthracite Coal (Metamorphic)
-not foliated

MudCrack
-dried mud

Graded bedding

Crossbedding
-water & wind

Meta - Conglomerate (Metamorphic)
-not foliated

Chert (Sedimentary)
-chemical comp