Granite

Diorite

Diorite (an intrusive igneous rock)

Granite (weathered pebble)

Granite (plutonic igneous rock)

Pink Granite

Granite (High K-Feldspar variety)

Diorite

Phaneritic Intermediate Igneous Rock

Granite Pebble

Granite (Phaneritic Quartz-Feldspar Rock)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Milky to Clear)

Silicon Dioxide (SiO2)

Unakite (Epidotized Granite)

Epidotized Granite (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))

Rose Quartz

Silicon dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Lepidolite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Demitasse Granite (Diorite-Granite transition)

Intermediate Plutonic Rock (Granodiorite/Diorite mix)

Granite (specifically Brown Granite Countertop)

Phaneritic Felsic Igneous Rock (Granite-Gabbro series)

BROWN GRANITE (likely 'Tan Brown' or similar)

Granite (specifically a variety rich in orthoclase feldspar, often with biotite and possibly hornblende)

Feldspar-rich Pegmatite

Granitic Pegmatite (principally KAlSi3O8)

Potassium Feldspar

Orthoclase (KAlSi3O8)

Granite (specifically the Ubatuba variety)

Phaneritic Igneous Rock (Granodiorite/Monzogranite)

Porphyritic Rhyolite

Rhyolite (Porphyritic)

Quartz with Mica inclusions (Pegmatite)

Silicon Dioxide (SiO2) with Muscovite/Biotite inclusions

Biotite / Black Mica

K(Mg,Fe)3(AlSi3O10)(F,OH)2

Unakite

Unakite (altered granitic rock)

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Amazonite

K(AlSi3O8) - Potassium Aluminum Silicate (Microcline)

Unakite

Unakite (an altered granite composed of Epidote, Orthoclase, and Quartz)

Unakite (Epidotized Granite)

Unakite (Rock composed of Epidote Ca2(Al,Fe)3(SiO4)3(OH), Orthoclase KAlSi3O8, and Quartz SiO2)

Gneiss

Gneiss (High-grade Metamorphic Rock)

Unakite (or Epidote-rich Granite)

Unakite (composed of Epidote {Ca2(Al, Fe)3(SiO4)3(OH)}, Pink Orthoclase Feldspar {KAlSi3O8}, and Quartz {SiO2})

Unakite

Epidotized Granite (SiO2 with Ca2(Al, Fe)3(SiO4)3(OH))

Unakite

Epidotized Granite (Composed of Orthoclase Feldspar, Epidote, and Quartz)

Biotite (Black Mica)

K(Mg,Fe)3AlSi3O10(OH,F)2

Muscovite Mica

Muscovite (Potassium Aluminum Silicate) - KAl2(AlSi3O10)(F,OH)2

Pink Granite

Phaneritic Igneous Rock (high K-feldspar content)

Gneiss

Gneiss (Metamorphic rock)

Gabbro (Water-Worn Cobble)

Gabbro

Granodiorite Pebble

Granodiorite (containing Quartz, Plagioclase Feldspar, and Biotite/Amphibole)

Smoky Quartz (with Iron Oxidation)

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (with Chlorite/Mineral Inclusions)

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Granite (tumbled pebble)

Granite (Plutonic Igneous Rock)

Diorite

Diorite (Intermediate intrusive igneous rock)