Tufa Stone

Cappadocian Tufa House in Nevsehir Concrete Lobby in inside a ribbed concrete lobby in Nevşehir

Cappadocian Tufa House in Nevsehir Concrete Lobby

Sony NEX-7 · inside a ribbed concrete lobby in Nevşehir

 Steel Texture Under Loupe Turquoise Paint in against weathered turquoise paint in Peterborough

Steel Texture Under Loupe Turquoise Paint

Canon EOS R1 · against weathered turquoise paint in Peterborough

 Turquoise Stone Copper Veins Giza Metal in across a rain-beaded metal surface in Giza

Turquoise Stone Copper Veins Giza Metal

Kiev 88 · across a rain-beaded metal surface in Giza

 Graphite Crystal Structure Macro Pencil Tip in against weathered turquoise paint in Southampton

Graphite Crystal Structure Macro Pencil Tip

Canon EOS R6 Mark III · against weathered turquoise paint in Southampton

 Twilight Candlelight Bark Texture Museum Touba in on a museum plinth in Touba

Twilight Candlelight Bark Texture Museum Touba

Samsung Galaxy S22 Ultra · on a museum plinth in Touba

 Fossilized Reef Silhouette in Desert Canyon in beside a reef crevice under clear water near Cairns

Fossilized Reef Silhouette in Desert Canyon

Canon EOS 7D Mark II · beside a reef crevice under clear water near Cairns

 Raw Turquoise Chunk on Edfu Cafe Table in on a cafe table by a window in Edfu

Raw Turquoise Chunk on Edfu Cafe Table

Nikon D700 · on a cafe table by a window in Edfu

 Woman Grinding Corn on Stone Metate in Tijuana in in the old quarter in Tijuana

Woman Grinding Corn on Stone Metate in Tijuana

Nikon D780 · in the old quarter in Tijuana

 Turquoise Stone with Copper Veins on Salt Crystals in on salt crystals along a pan rim in Addis Ababa

Turquoise Stone with Copper Veins on Salt Crystals

Sony a7S II · on salt crystals along a pan rim in Addis Ababa

 Turquoise Stone in Candlelight on Alicante Workbench in on a wooden workbench near Alicante

Turquoise Stone in Candlelight on Alicante Workbench

Leica M10 · on a wooden workbench near Alicante

 Mapmaker Stippling Copper Plate Near Tijuana in on a velvet chair near Tijuana

Mapmaker Stippling Copper Plate Near Tijuana

Google Pixel 7 Pro · on a velvet chair near Tijuana

 Copper Toned Alluvial Fan Near Tucson Before Dusk in near Tucson

Copper Toned Alluvial Fan Near Tucson Before Dusk

Samsung Galaxy S22 Ultra · near Tucson

 Turquoise Stone with Copper Veins in against weathered turquoise paint in Trabzon

Turquoise Stone with Copper Veins

iPhone 13 Pro Max · against weathered turquoise paint in Trabzon

 Graphite Crystal Macro on Weathered Turquoise Paint in against weathered turquoise paint in Trelew

Graphite Crystal Macro on Weathered Turquoise Paint

Zorki 4 · against weathered turquoise paint in Trelew

 Turquoise Stone Copper Veins Frost Window in along a frost-edged windowpane in Ouagadougou

Turquoise Stone Copper Veins Frost Window

Sony Alpha 900 · along a frost-edged windowpane in Ouagadougou

 Turquoise Cenote Stalactites Winter Evening in along a kelp-fringed shelf near Bo-Kaap, Cape Town

Turquoise Cenote Stalactites Winter Evening

Hasselblad 907X · along a kelp-fringed shelf near Bo-Kaap, Cape Town

 Cappadocian Cave House Stair Hall Twilight in inside a tiled stair hall near Nevşehir

Cappadocian Cave House Stair Hall Twilight

Nikon F4 · inside a tiled stair hall near Nevşehir

 Raw Turquoise Stone on Velvet Chair in on a velvet chair in Chiang Mai

Raw Turquoise Stone on Velvet Chair

Sony Xperia 1 VI · on a velvet chair in Chiang Mai

 Sandstone Grain Against Turquoise Paint Detail in against weathered turquoise paint in Shah Faisal Town

Sandstone Grain Against Turquoise Paint Detail

Nikon FG-20 · against weathered turquoise paint in Shah Faisal Town

 Carved Stone Doorway on Dusty Library Table in on a dusty library table near Cabo San Lucas

Carved Stone Doorway on Dusty Library Table

Olympus OM-D E-M1 · on a dusty library table near Cabo San Lucas

 Ancient Stone Constellation Map Near Tunis Observatory in at a remote field station near Tunis

Ancient Stone Constellation Map Near Tunis Observatory

Panasonic Lumix DMC-GH4 · at a remote field station near Tunis

 Snowflake Crystal on Turquoise Mitten in Juba in against weathered turquoise paint in Juba

Snowflake Crystal on Turquoise Mitten in Juba

Sony Alpha 33 · against weathered turquoise paint in Juba

 Lichen Fruit Body on Turquoise Tombstone Edge in against weathered turquoise paint in Isfahan

Lichen Fruit Body on Turquoise Tombstone Edge

Nikon F3 · against weathered turquoise paint in Isfahan

 Turquoise Cenote Light with Stalactites Underwater in along a kelp-fringed shelf near Havana

Turquoise Cenote Light with Stalactites Underwater

iPhone 13 Pro · along a kelp-fringed shelf near Havana

 Cappadocian Cave House in Nevşehir Lobby in inside a ribbed concrete lobby in Nevşehir

Cappadocian Cave House in Nevşehir Lobby

Fujifilm GFX100S · inside a ribbed concrete lobby in Nevşehir

 Copper Light Beams Over Marrakech Foothills in from a ridge above layered foothills near Marrakech

Copper Light Beams Over Marrakech Foothills

Leica M4 · from a ridge above layered foothills near Marrakech

 Copper Light in Slot Canyon Shoreline Kasbah in along a wave-cut shoreline near Kasbah, Marrakech

Copper Light in Slot Canyon Shoreline Kasbah

Lubitel 166 universal · along a wave-cut shoreline near Kasbah, Marrakech

 Cappadocian Fairy Chimney Cave Dwelling After Rain in across a floodplain after rain in Turkey

Cappadocian Fairy Chimney Cave Dwelling After Rain

Canon EOS 550D · across a floodplain after rain in Turkey

 Sandstone Grain Texture Detail Chililabombwe Macro in against weathered turquoise paint in Chililabombwe

Sandstone Grain Texture Detail Chililabombwe Macro

Sony a6000 · against weathered turquoise paint in Chililabombwe

 Leather Chisels on Stone Bench Pier Twilight in on a pier railing near Zapopan

Leather Chisels on Stone Bench Pier Twilight

iPhone 13 mini · on a pier railing near Zapopan

 Turquoise Cenote Stalactites Japan Late Summer in above a seagrass meadow in Japan

Turquoise Cenote Stalactites Japan Late Summer

4x5 RB Auto Graflex · above a seagrass meadow in Japan

 Amethyst Geode Slice on Turquoise Wall Brazzaville in against weathered turquoise paint in Brazzaville

Amethyst Geode Slice on Turquoise Wall Brazzaville

Canon EOS-1D · against weathered turquoise paint in Brazzaville

 Cappadocian Cave House Atrium at Sunset in inside a vaulted atrium near Nevşehir

Cappadocian Cave House Atrium at Sunset

Samsung Galaxy S23 Ultra · inside a vaulted atrium near Nevşehir

 Turquoise Stone Copper Veins Moss Sunset Hiroshima in on dew-soaked moss in Hiroshima

Turquoise Stone Copper Veins Moss Sunset Hiroshima

iPhone XS Max · on dew-soaked moss in Hiroshima

 Walnut Shell Cross Section Grain Macro in against weathered turquoise paint in Kenitra

Walnut Shell Cross Section Grain Macro

Hasselblad X2D II 100C · against weathered turquoise paint in Kenitra

 Stonecarver Chisel on Marble Block in on a painted display ledge in Los Teques

Stonecarver Chisel on Marble Block

Sony Xperia 1 VI · on a painted display ledge in Los Teques

 Violet Geode Crystal Cross Section Turquoise Wall in against weathered turquoise paint in Guiyang

Violet Geode Crystal Cross Section Turquoise Wall

Samsung Galaxy S9+ · against weathered turquoise paint in Guiyang

 Cave House Inside Cappadocian Concrete Lobby in inside a ribbed concrete lobby in Nevşehir

Cave House Inside Cappadocian Concrete Lobby

Samsung Galaxy S23 · inside a ribbed concrete lobby in Nevşehir

 Fossilized Coral Reef in Desert Canyon Light in beside a volcanic reef overhang near Cebu

Fossilized Coral Reef in Desert Canyon Light

Sony ZV-1 · beside a volcanic reef overhang near Cebu

 Twilight Underwater Stalactites With Kelp Fringe in along a kelp-fringed shelf near Fukuoka

Twilight Underwater Stalactites With Kelp Fringe

Canon EOS R50 V · along a kelp-fringed shelf near Fukuoka