Mineralogical

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

 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

 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

 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

 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

 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

 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

 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 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

 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

 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

 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

 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

 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

 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

 Amethyst Geode on Stone Ledge in Amber Sunset in on a stone ledge in Ndjamena

Amethyst Geode on Stone Ledge in Amber Sunset

Nikon D3S · on a stone ledge in Ndjamena

 Silhouetted Selenite Crystals in Nile Delta Cave in in the Nile Delta

Silhouetted Selenite Crystals in Nile Delta Cave

Fujifilm GFX100 II · in the Nile Delta

 Amethyst Geode on Winter Library Table in on a dusty library table near Missoula

Amethyst Geode on Winter Library Table

Fujifilm GFX100 · on a dusty library table near Missoula

 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

 Ceramic Azulejo Tile in Porto in in Porto, Portugal

Ceramic Azulejo Tile in Porto

Canon EOS 5D Mark IV · in Porto, Portugal

 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

 Salt Crystals Fractal Network Dry Lake Shore in across a wide valley floor in Florida

Salt Crystals Fractal Network Dry Lake Shore

Nikon D70 · across a wide valley floor in Florida

 Amethyst Geode Macro on Linen in Candlelight in against woven linen fibers near Ningbo

Amethyst Geode Macro on Linen in Candlelight

Olympus OM-D E-M5 Mark III · against woven linen fibers near Ningbo

 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

 Violet Geode Cross Section in Willemstad Window Light in inside a seed pod split open in Willemstad

Violet Geode Cross Section in Willemstad Window Light

Canon EOS R3 · inside a seed pod split open in Willemstad

 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

 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

 Striped Mineral Bands Reflected in Aragon Midday in in Aragon

Striped Mineral Bands Reflected in Aragon Midday

Fujifilm X-T50 · in Aragon

 Raw Turquoise Stone on Museum Plinth Rajkot in on a museum plinth near Rajkot

Raw Turquoise Stone on Museum Plinth Rajkot

Sony Alpha 700 · on a museum plinth near Rajkot

 Geode Cross Section on Salt Crystals in on salt crystals along a pan rim in Athens

Geode Cross Section on Salt Crystals

Nikon F · on salt crystals along a pan rim in Athens

 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

 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

 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

 Amethyst Geode Elephant Rooftop Muscat in inside a seed pod split open in Muscat

Amethyst Geode Elephant Rooftop Muscat

Google Pixel 8 Pro · inside a seed pod split open in Muscat

 Amethyst Geode Macro on Lichen Bark Twilight in on lichen-covered bark near Pokhara

Amethyst Geode Macro on Lichen Bark Twilight

Leica Q3 · on lichen-covered bark near Pokhara

 Amethyst Geode Interior Inside Split Seed Pod in inside a seed pod split open in Srinagar

Amethyst Geode Interior Inside Split Seed Pod

Canon EOS 1000D · inside a seed pod split open in Srinagar

 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