Rock types
Devonian slates
Disintegrated Granite
Muscovite and feldspar
Ancient Roman columns
Granite Tor on Bodmin Moor
Porphyritic microgranite
Muscovite, polarised light micrograph
Horns of Torres del Paine, Patagonia
Aeschynite-(Y) in granite
A weathered granite boulder
Three types of granite rock
Moonwhite granite stone
Brown granite stone
Porphyritic texture in granite
Sample of granite
Boulders on raised beach
Banding patterns
Granite rock arch in mountains in Namibia
Granite
Variety of Igneous Rocks
Granite, Massachusetts, USA
Contact between Granite and Bedrock
Zircon crystals on host rock
Pink granite rock formation, Brittany, France
Granite boulders and sandy beach
Round granite boulders on coast
Weathered granitic bedrock
Pegmatite dike in granite
Eroded rock formation
Granite rock, light micrograph
Molybdenite in granite
Titanite bearing granite
Quartz vein in granite
Granite specimen
Coastal rocks and pebbles
Graphic granite rock, light micrograph
Obsidian lava
Obsidian rock
Graphic granite rock
Granite on Capo Testa, Sardinia, Italy
Microcline
Yellow Pollucite in coarse granite
Graphic Granite
Molybdenite in granite groundmass
White Granite
Granite, light micrograph
Granodiorite, light micrograph
Granodiorite
Pedestal erratics
Rock formation resembling a face
Pedestal erratic
Greywacke
Brixen granite
Amazonite
花崗岩
御影石
Granite coast in Sardinia
Greenland coastal landscape
Quartz mineral stone, light micrograph
Graphic tourmaline, light micrograph
Five smooth granite pebbles balanced in stack.
Six smooth granite pebbles in a stack, on black.
Stack of seven smooth granite pebbles
Granite pebbles in soft natural tones.
Slate outcrop, France
グラニット
Coastal granite intrusion
Granite, thin section, polarised LM
Rough topaz
Variety of Metamorphic Rocks
Slate, Brattleboro, Vermont, USA
Slate roofing
Welsh slate, close up
A piece of natural slate
Polished limestone
Cliffs at Handa Island, Scotland, UK
Samples of sandstone
Sedimentary rocks
Sandstone
Variety of Sedimentary Rocks
Sandstone, Utah, USA
Sample of sandstone
Hornblende-biotite granite
Mountaineering in the French Alps
Devils Marbles, Northern Territory, Australia
Physical weathering of granite
Lichen
The Chun Quiot in Cornwall
Lanyon Quoit near Penzance, Cornwall, UK
Ancient stone crosses
Carn Euny, an Iron Age settlement
The ancient Chysauster settlement
Chun Quoit, an ancient monument
Wind River Mountains, Wyoming, USA
Mountaineers, French Alps
Density of pumice and obsidian
Single teardrop granite pebble with quartz vein.
墓石材
御影石の表面
石板
初秋の盛岡・盛岡信用金庫本店
A gneiss enclave in granite.
A 16th century cider press
Great Sphinx of Giza, 18th century