#Sand Microscope

The light color sand in the video is mostly composed of grains of quartz. These tiny bits of quartz usually come from inland granite rocks that have been eroded and carried to the coast by rivers. . It’s amazing how uniform the beach sand looks, yet when you view it under a microscope you can see so many other colors. I was researching the sand composition of the beach where I took this sample, and the other sand grain colors seem to be due to minerals such as feldspar, mica, magnetite, garnet, etc. . If you can identify the colorful sand grains in the video, let me know in the comments! I would especially love to know what type of mineral forms the very dark sand grains. . Anyway, looking at beach sand under the microscope is like looking at a bunch of microscopic jewels. It’s so mesmerizing! . This video was recorded at South Cape Beach State Park in Cape Cod, Massachusetts (USA). . For this video, I used a Leica ZOOM 200 stereoscope and an Olympus BX41 microscope at up to 100X magnification (with and without polarized light). #microscopy #microscope #beachsand #capecod #southcapebeach

Which one is your favourite? 🥹 Thank you so much to those who sent me sand 💜 1. Huron, Ohio, USA @katievaleska 2. Honolulu, Hawaï, USA @dolanfam 3. United Kingdom @_thatgirlinblack_ 4. San Benedetto del Tronto, Ascoli Piceno, Italy @egidi.sara 5. Germany, @dr.wurm 6. Cape Disappointment, WA, USA @studiocornix I’m far from a geologist or a sand specialist but here’s what I learned while creating today’s video; Sand is a non-cohesive grainy material made of minerals in which each particle have a diameter ranging from 0.0625 to 2.0 mm. Sand composition vary a lot depending on environmental conditions, rock sources, and biological activities. The most common sand constituent is silica in the form of quartz and the second most common is calcium carbonate that comes from exoskeletons of corals, shellfish, foraminifera and other aquatic organisms. Sand usually comes from rocks that have been eroding or weathering by wind and water for thousands or millions of years. These sediments build up over time and can also be transported by wind and water currents! When these rocks are far from the ocean, they continue to break down as they travel down rivers or streams. Once arrived to the sea, they further erode because of the waves and tides and form sediments. Fun fact: a lot of white sand found in Hawaï is made of parrotfish poop: when scraping off food from corals reefs with their enormous teeth, they eat a large amount of limestone (which is great for their digestion) and gets excreted at the end! 💩 Lots of freshwater and marine microorganisms use sand as a substrate to colonize! Among those microbes are diatoms, bacteria and blue-green algae (cyanobacteria) Videos taken with my iPhone mounted on a BA310E Motic microscope with an @ilabcam ultra adapter 🔬 References: Meadows, P. S., & Anderson, J. G. (1966). Micro-organisms attached to marine and freshwater sand grains. Nature, 212(5066), 1059-1060 Milks, K., Cloud, F. B., & Fuller, K. S. (2023). Coral Reefs: A Natural History. Pettijohn, F. J., Potter, P. E., & Siever, R. (2012). Sand and sandstone. Springer Science & Business Media.

The black sand in the video is mostly composed of volcanic materials. This is because the island where I recorded this video (La Palma, Spain) is of volcanic origin. . When lava from a volcanic eruption gets in contact with the ocean, it cools rapidly and breaks into small fragments. Over time, the waves little by little erode these lava fragments into tiny particles, forming black sand. . Although the sand looks very dark, under the microscope you can see grains of other colors. This is due to the presence of other minerals that ocean waves and wind have mixed with the volcanic sand. . Looking at this sand under the microscope is like looking at a bunch of microscopic jewels! . For this video, I used a Leica ZOOM 200 stereoscope and an Olympus BX41 microscope at up to 100X magnification. #microscopy #microscope #beachsand #volcanicsand #lapalma #canaryislands

Beach sand under the microscope filmed on the FindX3 Pro by OPPO! @oppomobileau Music: “Dreamy vibes - @Ocean Bay Jazz” #ShotonOPPO #FindX3Pro #microscope #beach #sand #ad

Falling grains of sand.. The 'Falling Grain' Collection is now available on @withfoundation (link in bio) #macro #microscope #zoom #foryoupage #macrofying #water #sand #ocean

Sand from Japan under the microscope is out of this world! Thank you @engineeredlabs for sending through some of the Taketomi sand grains! Absolutely amazing ❤️ #sand #Japan #microscope #protozoa #beach #incredible #fossil

Under The Microscope . . . . . . #Microscope #microscope_world #microscopechallenge.#instagram #instsgramreels #viralreels #amazing #tranding #trandingreels

Its so cool seeing a hand under 400X magnification follow @microscope__videos on @instagram #microbiology #microscope #bacteriology # #biology laboratory #bacteriophagetherapy

🌍⚠️ How Things Look Under a Microscope At @decoded_wrld, we zoom in on the hidden world — because the closer you look… the stranger reality becomes. What seems smooth, clean, or simple to your eyes can look completely alien under magnification. 🧂 Salt Crystals Perfect geometric cubes — sharp edges and crystal-clear structure. 🦋 Butterfly Wings Not just color — but thousands of tiny overlapping scales that reflect light like microscopic tiles. 🧵 Fabric Fibers Threads turn into twisted ropes, revealing gaps and rough textures invisible to the naked eye. 🦠 Bacteria Tiny living organisms — shapes like rods, spheres, or spirals moving across surfaces. 🌼 Pollen Grains Not smooth dust — but spiky, sculpted spheres with intricate patterns. 💧 Water Drops Under magnification, even a drop of water can reveal particles, organisms, or surface tension effects. ⚠️ The Truth Your eyes only see a tiny fraction of reality. Microscopes reveal a hidden universe — structured, detailed, and sometimes unsettling. The world isn’t simple. It’s layered. 💬 What everyday object would you want to see under a microscope? 👉 Follow @decoded_wrld for more 🌍 Hidden Worlds & Extreme Science 🎥 Video Credit: DM for credits/removal to the real owner. . . . #decoded_wrld #microworld #sciencefacts #hiddenreality #fyp

Found some water bears in running creek water! Love these little guys! #microbiology #microscope #biology #science #microscopy #microscopic #waterbear #tardigrade

Quartz sand magnified 400X is so cool!#microscope #tiktok #foryou #funnyvideos #bestvideo #fy

Microbiologist, @tardibabe from Montreal, looking at Sand from different places through microscope. Sand is a granular material consisting of minerals, with each particle having a diameter ranging from 0.0625 to 2.0 mm. The composition of sand varies significantly depending on factors such as environmental conditions, the source of the rocks, and biological processes. Silica, in the form of quartz, is the most common component of sand, followed by calcium carbonate derived from the exoskeletons of corals, shellfish, foraminifera, and other aquatic organisms. Typically, sand originates from rocks that have been subjected to erosion or weathering by wind and water for extended periods, often spanning thousands or millions of years. Over time, these eroded sediments accumulate and can be carried by wind or water currents. If these rocks are located far from the ocean, they continue to undergo breakdown while being transported downstream by rivers or streams. Upon reaching the sea, they experience further erosion due to the action of waves and tides, resulting in the formation of sediment. Which one was your favorite? 🎥 @tardibabe 🎶Mr. Sandman-The Chordettes