Minerals & Rock Identification

Front

Colorless to Yellow
Flexible in thin sheets
Used for roofs, paint
Has cleavage

Back

Muscovite mica

Front

Colorless or Variable
Bubbles with acid
Used for building stones
Contains calcium & Magnesium

Back

Dolomite

Front

Silver to grey
Used for pencil led
Contains carbon
Hardness 1-2

Back

Graphite

Front

What mineral has a hardness of 6, is white to grey, cleaves in 2 directions, and is used for ceramics? Options: Pyroxene, Amphibole, Selenite gypsum, Plagioclase feldspar

Back

Plagioclase feldspar

Front

Classify the following characteristics: Vesicular, Extrusive, High density, Non-crystalline. Options: Diabase, Scoria, Basalt, Granite

Back

Scoria

Front

Coarse texture
Non- vesicular
Intrusive
Appears green

Back

Peridotite

Front

Extrusive
Crystal size- less than 1 mm
Fine texture
Vescular (gas pockets)

Back

Vescular rhyolite

Front

Compacted plant remains
2. Composition- carbon
3. Microscopic to very coarse grain size
4. Bioclastic

Back

Bituminous coal

Front

Crystalline texture
Fine to coarse crystals
Halite
Crystals from chemical precipitates

Back

Rock salt

Front

Rounded fragments, Clastic, Pebbles, cobbles embedded in sand, Mostly quartz, feldspar, clay minerals

Back

Conglomerate