Galena
Mineral, Metallic, black streak, very soft, 90 cleavage, high specific gravity
Magnetite
Mineral, Sub metallic, black streak, can be cut by a knife, magnetic
chalcopyrite
Mineral, Submetallic (gold), Greenish black streak, can be cut by a penny, low specific gravity
Graphite
Mineral, submetallic, dark grey streak, can be cut by a nail, low specific gravity
Pyrite
Mineral, submetallic, dark grey streak with a gold tinge, can be cut by a nail, bladed, looks like gold
hematite
Mineral, rust-red earthy, red streak, can be but by nail
Goethite
Mineral, dull, brown yellow streak, can be cut by the knife, round crystal habit, conchoidal
Calcite
Mineral, waxy-vitreous, colorless/white streak, can be cut by the penny, reacts to HCl, (double refraction if see-through)
Talc
Mineral, pearly (or waxy and dull), colorless/white streak, very soft
corundum
Mineral, (brown)Silky Earthy-(pink)vitreous, colorless streak(pink)-brown streak(brown) ,very hard
apatite
Mineral, vitreous, white streak, can be cut by a knife, contains veins of cream colour
gypsum
Mineral, pearly, white streak, very soft, massive flat habit
Quartz
Mineral, glassy/silky, no streak, many colours: Colorless, Smoky Gray, Milky White, Pink
fluorite
Mineral, vitreous, white powder/colourless streak, can be cut by a knife, has a rainbow shine in the light
plagioclase feldspar
Mineral, (supposed to be pearly but looks earthy and waxy), white streak, Can come in multiple colours: Black and grey with a blue shimmer or White w/ brown veins
chlorite
Mineral, dull, White/grey streak, very soft, has orange undertones
biotite
Mineral, vitreous, glass shard like streak, very thin looks like film
muscovite
Mineral, vitreous, white streak, very thin looks more like tin foil, has green in it
kyanite
Mineral, vitreous, white streak, has copper red veins, long crystal habit
staurolite
Mineral, dull, orange areas streak orange, very hard
potassium feldspar
Mineral, a dull face with slightly waxy sides, has a sulfur smell when streaked, white streak, can be cut by a nail, has a grey accent colour
Garnet
Mineral, vitreous with earthy patches, white streak, can be cut by a nail
pyroxene
Mineral, dull, white/grey streak, army grey green with dark grey accents
amphibole
Mineral, vitreous and earthy, red streak, can be cut by a nail, can contain red
olivine
Mineral, vitreous with earthy bottom, dark grey streak, very hard
diorite
Igneous, Phaneritic, equigranularity, intermediate, intrusive
Gabbro
Igneous, phaneritic, mafic, intrusive
Obsidian
Igneous, glassy, conchoidal, mafic intrusive
syenite
Igneous, small crystal, phaneritic, equigranularity, felsic, intrusive
andesite porphyry
Igneous, Porphyritic, intermediate, intrusive
Granite
Igneous, coarse texture, felsic, intrusive
Basalt
Igneous, compact, fine-grained, and glassy, black in color and weather to dark green or brown
Pumice
Igneous, low specific gravity, contains a lot of empty gas bubbles
Rhyolite
Igneous, color is relatively light – usually light pink or light gray, is dense, with no bubbles or air pockets
Diabase
Igneous, fine- to medium-grained, dark gray to black, intrusive
Rhyolite porphyry
Igneous, Porphyritic, color is relatively light – usually light pink or light gray
Scoria
Igneous, no crystals, It is typically dark in color, bubbles
Breccia
Sedimentary, smooth, pink with black specs, no pores,
chaotic rock type, well sorted
conglomerate
Sedimentary, lots of variety of rocks sizes, and colours
Sandstone
Sedimentary, quartz crystals, yellow/cream coloured, sandy texture
Shale
Sedimentary, smooth, sheet like cleavage, black or dark brown
Coal
Sedimentary, smooth, sheet like cleavage, black or dark brown
fossiliferous limestone
Sedimentary, dark brown, smooth fossils components, light brown between fossils -small quartz crystals
micritic limestone
Sedimentary,smooth ,light grey/brown ,silty,conchoidal
coquina
Sedimentary, -variety of colours spanning white to orange -composed of shells -porous -poorly sorted
Chert
Sedimentary, conchoidal, Dark grey -smooth -can have fossils
Dolostone
Sedimentary, plant/shell shaped fossils , light grey, porous
evaporite
Sedimentary, smooth -translucent -white and grey -crystals are a conglomerate
Marble
Metamorphic, granoblastic, can see quartz, low grade
quartzite
Metamorphic, quartz and feldspar visible, granoblastic
schist
Metamorphic, schistose slaty, muscovite biotite and mica visible,
Gneiss
Metamorphic, biotite feldspar staurolite are visible,
gnessic texture
Amphibolite
Metamorphic, granoblasitc, biotite feldspar staurolite are visible
slate
metamorphic, fine grained, clay mineral, slatey
skarn
metamorphic, granoblastic, Garnet crystal calcite Epidote can be found inside
folded pyllite
metamorphic, phyllitic slatey, fine grained, pyrite Quartz staurolite andalusite can be found inside