Calcium Structure

Ammonite Fossil Spiral Chambers Dry Season Calabar in near Calabar

Ammonite Fossil Spiral Chambers Dry Season Calabar

Nikon D7000 · near Calabar

Ammonite Fossil Split Open in Golden Calcite in in Taipei

Ammonite Fossil Split Open in Golden Calcite

Canon EOS 5D Mark IV · in Taipei

Trilobite Compound Eye Detail Winter Drizzle in near London

Trilobite Compound Eye Detail Winter Drizzle

Nikon Z f · near London

Trilobite Compound Eye Detail Late Afternoon in near Hyderabad

Trilobite Compound Eye Detail Late Afternoon

Pentax LX · near Hyderabad

Golden Calcite Ammonite Fossil in Abakan Lab in in Abakan

Golden Calcite Ammonite Fossil in Abakan Lab

Mamiya RZ67 · in Abakan

Trilobite Fossil Compound Eye Detail in near Da Nang

Trilobite Fossil Compound Eye Detail

Lubitel 166 universal · near Da Nang

Porous Eggshell Surface in Firelight Near Nanjing in against woven linen fibers near Nanjing

Porous Eggshell Surface in Firelight Near Nanjing

Canon EOS 6D Mark II · against woven linen fibers near Nanjing

Walnut Shell Cross Section Macro Rain Metal Dakhla in across a rain-beaded metal surface in Dakhla

Walnut Shell Cross Section Macro Rain Metal Dakhla

Samsung Galaxy S24+ · across a rain-beaded metal surface in Dakhla

Abalone Shell Interior Macro Tucson Metal in across a rain-beaded metal surface in Tucson

Abalone Shell Interior Macro Tucson Metal

Sony a7 II · across a rain-beaded metal surface in Tucson

Golden Calcite Ammonite Fossil Split Open in in Sao Luis

Golden Calcite Ammonite Fossil Split Open

Pentax K1000 · in Sao Luis

Trilobite Eye Detail Twilight Study in near Dublin

Trilobite Eye Detail Twilight Study

4x5 RB Auto Graflex · near Dublin

Ammonite Fossil Split in Golden Calcite Twilight in in Loja

Ammonite Fossil Split in Golden Calcite Twilight

Sony Alpha 100 · in Loja

Office Drawer Underwater Among California Kelp in through kelp fronds beside a rocky shelf in California

Office Drawer Underwater Among California Kelp

Rollei 35 · through kelp fronds beside a rocky shelf in California

Ammonite Fossil Split in Golden Calcite in near Christiania, Copenhagen

Ammonite Fossil Split in Golden Calcite

Minox 8x11 · near Christiania, Copenhagen

Mist Waterfall From Wall Behind Jars in near Cape Town

Mist Waterfall From Wall Behind Jars

Leica M2 · near Cape Town

Ammonite Fossil Spiral Chambers Twilight Research in in Bonon

Ammonite Fossil Spiral Chambers Twilight Research

Canon A-1 · in Bonon

Feather Quill Cross Section on Rainy Metal in across a rain-beaded metal surface in Nanning

Feather Quill Cross Section on Rainy Metal

Sony a6700 · across a rain-beaded metal surface in Nanning

Walnut Shell Cross Section Growth Grain Macro in inside a seed pod split open near Thies

Walnut Shell Cross Section Growth Grain Macro

Sony a7C · inside a seed pod split open near Thies

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

Conference Catering Board in Taourirt Office in inside a coworking floor in Taourirt

Conference Catering Board in Taourirt Office

Nikon D7200 · inside a coworking floor in Taourirt

Winter Drizzle Fossil Ammonite Spiral in in Noida

Winter Drizzle Fossil Ammonite Spiral

Leica M3 · in Noida

Printed Gears and Tools in Cali Fossil Lab in in a fossil prep lab in Cali

Printed Gears and Tools in Cali Fossil Lab

Canon EOS R8 · in a fossil prep lab in Cali

Golden Ratio Seashell Spiral Macro Jacksonville in against weathered turquoise paint in Jacksonville

Golden Ratio Seashell Spiral Macro Jacksonville

Canon EOS R50 · against weathered turquoise paint in Jacksonville

Dragonfly Wing Cells in Highland Mist in beside a tidal inlet in the Scottish Highlands

Dragonfly Wing Cells in Highland Mist

Samsung Galaxy S25 · beside a tidal inlet in the Scottish Highlands

Ammonite Fossil Shell Spiral Chambers in Dappled Light in in Dar es Salaam

Ammonite Fossil Shell Spiral Chambers in Dappled Light

Canon EOS 7D · in Dar es Salaam

Satellite Jig in Fossil Lab Abuja in in a fossil prep lab near Abuja

Satellite Jig in Fossil Lab Abuja

Samsung Galaxy S10+ · in a fossil prep lab near Abuja

Ancient Wall Crenellations Cabimas Dry Season in along a colonnaded facade near Cabimas

Ancient Wall Crenellations Cabimas Dry Season

Fujifilm GFX100 · along a colonnaded facade near Cabimas

Climber Chalking Hands Under Corfu Limestone at Dawn in on a hillside near Corfu

Climber Chalking Hands Under Corfu Limestone at Dawn

Nikon D7100 · on a hillside near Corfu

Red Cabbage Cross Section Purple Spirals in across a rain-beaded metal surface in Tirana

Red Cabbage Cross Section Purple Spirals

Sony a6100 · across a rain-beaded metal surface in Tirana

Dragonfly Compound Eye Facets Namibia in along a game trail in Namibia

Dragonfly Compound Eye Facets Namibia

Canon EOS R6 · along a game trail in Namibia

Trilobite Fossil in Shale Near Chongqing in near Chongqing

Trilobite Fossil in Shale Near Chongqing

Canon EOS-1D · near Chongqing

Nautilus Shell Cross Section Amid Kelp Forest in through a forest of kelp fronds in Sicily

Nautilus Shell Cross Section Amid Kelp Forest

Canon EOS 7D Mark II · through a forest of kelp fronds in Sicily

Microscope Turret View of Butterfly Scales in at a microscopy bench in Kenitra

Microscope Turret View of Butterfly Scales

Leica M2 · at a microscopy bench in Kenitra

Trilobite Spine Microscope Archive Prep in in a specimen archive room in Karadeniz Ereğli

Trilobite Spine Microscope Archive Prep

iPhone 16 Pro · in a specimen archive room in Karadeniz Ereğli

Robotics Table Detail in Ankara Fossil Lab in in a fossil prep lab in Ankara

Robotics Table Detail in Ankara Fossil Lab

iPhone 13 Pro · in a fossil prep lab in Ankara

Wobbling Campaign Table Under Fluorescent Noon Light in in a fluorescent town hall meeting room in Ahmedabad

Wobbling Campaign Table Under Fluorescent Noon Light

Leica I · in a fluorescent town hall meeting room in Ahmedabad

Ammonite Shell Spiral Monsoon Light in in Belgaum

Ammonite Shell Spiral Monsoon Light

Sony a7 V · in Belgaum

Iridescent Abalone Shell on Rainy Metal Dakar in across a rain-beaded metal surface in Dakar

Iridescent Abalone Shell on Rainy Metal Dakar

Leica R3 · across a rain-beaded metal surface in Dakar

Cicada Emerges From Shell In Surreal Grid in in Czech Republic

Cicada Emerges From Shell In Surreal Grid

iPhone 13 Pro · in Czech Republic

Fossil Trays in Accra Science Lab Skylight in in Accra

Fossil Trays in Accra Science Lab Skylight

Nikon D40 · in Accra