Mineralogy

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

 Amethyst Geode Interior Macro Against Turquoise in against weathered turquoise paint near Chakwal

Amethyst Geode Interior Macro Against Turquoise

Canon EOS R7 · against weathered turquoise paint near Chakwal

 Sandstone Grain Macro Detail Against Turquoise Paint in against weathered turquoise paint in Innsbruck

Sandstone Grain Macro Detail Against Turquoise Paint

Canon EOS R5 · against weathered turquoise paint in Innsbruck

 Geologist Splits Shale Beside Observatory Dome in beside an observatory dome in Aragon

Geologist Splits Shale Beside Observatory Dome

Leica III · beside an observatory dome in Aragon

 Geologist examining rock strata near Davie Village in near Davie Village, Vancouver

Geologist examining rock strata near Davie Village

Leica R3 · near Davie Village, Vancouver

 Geologist Studying Folded Marble Bands on Coastal Cliff in near La Paz

Geologist Studying Folded Marble Bands on Coastal Cliff

Leica MP · near La Paz

 Violet Crystal Geode Cross Section Macro in inside a seed pod split open in Stockholm

Violet Crystal Geode Cross Section Macro

Google Pixel 7 · inside a seed pod split open in Stockholm

 Amethyst Geode on Ledge in Helsinki in on a painted display ledge in Helsinki

Amethyst Geode on Ledge in Helsinki

Nikon D7200 · on a painted display ledge in Helsinki

 Quartz Cluster on Dusty Library Table in on a dusty library table in Thessaloniki

Quartz Cluster on Dusty Library Table

Samsung Galaxy S25+ · on a dusty library table in Thessaloniki

 Quartz Cluster on Mica Schist Pier Railing Chimoio in on a pier railing in Chimoio

Quartz Cluster on Mica Schist Pier Railing Chimoio

Minox 8x11 · on a pier railing in Chimoio

 Mica Flakes Glinting in Split Seed Pod in inside a seed pod split open in Montpellier

Mica Flakes Glinting in Split Seed Pod

Leica M10 · inside a seed pod split open in Montpellier

 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

 Winter Shale Cliff Erosion Detail Before Dusk in near Innsbruck

Winter Shale Cliff Erosion Detail Before Dusk

Panasonic Lumix DMC-GH1 · near Innsbruck

 Mica Flakes Glinting in Granite Turquoise Wall in against weathered turquoise paint in New York

Mica Flakes Glinting in Granite Turquoise Wall

Hasselblad 500C/M · against weathered turquoise paint in New York

 Quartz Cluster on Mica Schist Hotel Dresser in on a hotel dresser near Luang Prabang

Quartz Cluster on Mica Schist Hotel Dresser

Lubitel 166 universal · on a hotel dresser near Luang Prabang

 Purple Amethyst Geode on Wooden Workbench in on a wooden workbench in Udaipur

Purple Amethyst Geode on Wooden Workbench

Nikon D810 · on a wooden workbench in Udaipur

 Seismograph Case and Rock Cores in Izmir Lab in inside an observatory control room in Izmir

Seismograph Case and Rock Cores in Izmir Lab

Canon EOS 7D · inside an observatory control room in Izmir

 Quartz Bands in Geode Cross Section in inside a seed pod split open in Kramatorsk

Quartz Bands in Geode Cross Section

OM System OM-1 · inside a seed pod split open in Kramatorsk

 Pyrite Cubes on Salt Crystals Khushab Evening in on salt crystals along a pan rim in Khushab

Pyrite Cubes on Salt Crystals Khushab Evening

Panasonic Lumix DMC-GF1 · on salt crystals along a pan rim in Khushab

 Polished Agate Cross Section on Salt Crystals in on salt crystals along a pan rim in Hanumangarh

Polished Agate Cross Section on Salt Crystals

Pentax 6x7 · on salt crystals along a pan rim in Hanumangarh

 Rainbow Mineral Bands on Queensland Storm Plain in across a storm-bright plain in Queensland

Rainbow Mineral Bands on Queensland Storm Plain

Samsung Galaxy S24+ · across a storm-bright plain in Queensland

 Amethyst Geode on Lichen Bark Midday Light in on lichen-covered bark near Geelong

Amethyst Geode on Lichen Bark Midday Light

Sony a9 III · on lichen-covered bark near Geelong

 Archaeometry Lab Table with Calipers and Shards in inside an observatory control room in Libreville

Archaeometry Lab Table with Calipers and Shards

Leica I · inside an observatory control room in Libreville

 Geologist Balancing on Scree Near Strata in Harare in in Harare

Geologist Balancing on Scree Near Strata in Harare

Nikon D5 · in Harare

 Geologist on Scree with Hammer in Charlotte Twilight in in Charlotte

Geologist on Scree with Hammer in Charlotte Twilight

Kodak Brownie · in Charlotte

 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

 Quartz Cluster on Mica Schist Okinawa Twilight in on a hotel dresser in Okinawa

Quartz Cluster on Mica Schist Okinawa Twilight

Panasonic Lumix DMC-G1 · on a hotel dresser in Okinawa

 Colorful Mineral Striations on Rainbow Mountain in over a horizon of stacked thunderheads near Medellín

Colorful Mineral Striations on Rainbow Mountain

Leica M-A · over a horizon of stacked thunderheads near Medellín

 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

 Geologist Studies Folded Marble Bands at Dawn in in Innsbruck

Geologist Studies Folded Marble Bands at Dawn

Google Pixel 9 Pro · in Innsbruck

 Striped Mineral Bands Reflected in Aragon Midday in in Aragon

Striped Mineral Bands Reflected in Aragon Midday

Fujifilm X-T50 · in Aragon

 Dried Mud Fractures in Late Summer Riverbed in near Chengdu

Dried Mud Fractures in Late Summer Riverbed

Canon EOS 90D · near Chengdu

 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

 Geology Field Station Shelf with Lenses and Samples in along a rocky geology outcrop in Laureles, Medellin

Geology Field Station Shelf with Lenses and Samples

Sony Cyber-shot DSC-RX100 Mark II · along a rocky geology outcrop in Laureles, Medellin

 Mica Flakes Glinting on Granite Windowpane in along a frost-edged windowpane in Jacksonville

Mica Flakes Glinting on Granite Windowpane

Sony a7 IV · along a frost-edged windowpane in Jacksonville

 Macro Sandstone Grain Texture Near Frost Window Reno in along a frost-edged windowpane in Reno

Macro Sandstone Grain Texture Near Frost Window Reno

Samsung Galaxy S24 Ultra · along a frost-edged windowpane in Reno

 Aerial View of Hexagonal Basalt Columns Above Braided River in high above braided river channels in Kanto

Aerial View of Hexagonal Basalt Columns Above Braided River

Nikon FM3A · high above braided river channels in Kanto

 Opal Thunder Egg in Ecuador Monsoon Light in across a storm-bright plain in Ecuador

Opal Thunder Egg in Ecuador Monsoon Light

Fujifilm X-T1 · across a storm-bright plain in Ecuador

 Geologist Splitting Shale on Shanghai Outcrop in on a wind-scoured research platform near Tianzifang, Shanghai

Geologist Splitting Shale on Shanghai Outcrop

Fujifilm X-H1 · on a wind-scoured research platform near Tianzifang, Shanghai

 Folded Rock Strata Silhouetted in Late Afternoon Light in from a ridge above layered foothills near Charallave

Folded Rock Strata Silhouetted in Late Afternoon Light

Olympus Trip 35 · from a ridge above layered foothills near Charallave