S-class white Experimental rifle multitool, with raised wires, black diamond lattice decals and blue/green crystals on top. Wires, nozzles and some of the trim are grey, which I don't recall ever seeing before.
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πŸ‘€︎ u/tim78rpm
πŸ“…︎ Dec 25 2021
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Green zircons are exceptionally rare. They form as the result of natural radiation in a process known as metamictization. Over long periods of geological time, radiation produces changes in the crystal lattice, while still maintaining the characteristic zircon fire.
πŸ‘︎ 22
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πŸ‘€︎ u/knoxdiamonds
πŸ“…︎ Dec 26 2021
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A Superdimensional Octagon-Based Crystal Lattice Mechanical Origami Balloon youtu.be/6Kb_0_5DnaE
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πŸ‘€︎ u/zerooskul
πŸ“…︎ Jan 07 2022
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CBD crystals grown in MCT. As the final product will be a MCT tincture, isolating in it in the first place creates an isolate that doesn't need purging (always some solvent remains trapped in the crystalline lattice)
πŸ‘︎ 50
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πŸ‘€︎ u/borysses
πŸ“…︎ Nov 25 2021
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The strangest damned thing I ever acquired. This is a cluster of lab grown hydrothermal quartz crystals. The seed crystals were placed between a lattice of pure gold wire that forced it to grow into this β€œsnowflake.” Amazing Soviet crystal growing technology! Circa 1988. v.redd.it/hkdziow6tok71
πŸ‘︎ 2k
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πŸ‘€︎ u/Indrid-C0ld
πŸ“…︎ Aug 31 2021
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A Superdimensional Octagon-Based Crystal Lattice Mechanical Origami Balloon youtu.be/6Kb_0_5DnaE
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πŸ‘€︎ u/zerooskul
πŸ“…︎ Jan 07 2022
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Weaire-Phelan Foam Crystal Lattice Demonstration youtube.com/watch?v=rBu8h…
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πŸ‘€︎ u/MyScondAccount
πŸ“…︎ Dec 22 2021
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need to byheart types of crystal lattice and bravis lattices?

title

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πŸ‘€︎ u/darknight27104
πŸ“…︎ Nov 22 2021
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[OC] Felt fitting to post here: diamond lattice for inktober prompt (crystal)
πŸ‘︎ 66
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πŸ‘€︎ u/wip_art
πŸ“…︎ Oct 04 2021
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Hyperlocalized smoky coloration (pleochroic halo) in clear quartz from microscopic uranium inclusions. True smoky quartz is colored by radiation ionizing atoms of Al which substituted for Si in the crystal lattice. Other types of quartz are colored black by inclusions like carbon.
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πŸ‘€︎ u/RK_mining
πŸ“…︎ Sep 10 2021
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Crystal lattice by me
πŸ‘︎ 61
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πŸ‘€︎ u/Soggy_Today4868
πŸ“…︎ Aug 15 2021
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When an ionic bond is formed, textbook says the resulting structure is lattice or crystal. Does this mean that they are equivalent? Like lattice = crystal, or is each a different type of structure? Thank you!
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πŸ‘€︎ u/MedS03
πŸ“…︎ Sep 06 2021
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Crystal lattice by me
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πŸ‘€︎ u/Soggy_Today4868
πŸ“…︎ Aug 15 2021
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Crystal lattice
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πŸ‘€︎ u/Wnslw_
πŸ“…︎ Jul 11 2021
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Crystal arrangement results in 1,000x more power from ferroelectric solar cells - German researchers developed a lattice arrangement of three different layers of ferroelectric crystals that created a powerful photovoltaic effect pv-magazine.com/2021/08/0…
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πŸ‘€︎ u/magenta_placenta
πŸ“…︎ Aug 09 2021
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A rare form of matter called a "quasicrystal", with a non-repeating crystal lattice, formed in the aftermath of a nuclear explosion, found also in meteorites
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πŸ‘€︎ u/rgatoNacho
πŸ“…︎ May 22 2021
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Crystal lattice by me
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πŸ‘€︎ u/Soggy_Today4868
πŸ“…︎ Aug 15 2021
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Crystal lattice by me
πŸ‘︎ 49
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πŸ‘€︎ u/Soggy_Today4868
πŸ“…︎ Aug 15 2021
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White with black lattice and pink/purple crystals S class experimental mt.Nice an easy ,save and reload portal planet Laya ,then pick it up at the space station.Euclid.
πŸ‘︎ 168
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πŸ‘€︎ u/Scotty300872
πŸ“…︎ Apr 18 2021
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Crystal lattice by me
πŸ‘︎ 15
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πŸ‘€︎ u/Soggy_Today4868
πŸ“…︎ Aug 15 2021
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Crystal lattice, me,3d digital, 2021
πŸ‘︎ 12
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πŸ‘€︎ u/Soggy_Today4868
πŸ“…︎ Aug 15 2021
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Crystal lattice
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πŸ‘€︎ u/Soggy_Today4868
πŸ“…︎ Aug 15 2021
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The most unusual lab grown crystal I have EVER seen. The seed that resulted in this quartz β€œsnowflake” was encased in a lattice of pure gold wire. This created growth interference to produce what you see here. This was the work of the Russian scientist known as the β€œSasha the screwball”.
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πŸ‘€︎ u/Indrid-C0ld
πŸ“…︎ Aug 06 2021
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TM's Tutorial 12 - Crystal Lattice and some interesting (crystal-like) examples
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πŸ‘€︎ u/TerraMonolith
πŸ“…︎ Mar 07 2021
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What's is actually occuring to metallic crystal lattice matrices when you polish precious/soft metals???

Sorry in advance if I use the wrong flair for this post. There was no "metallurgy" or "materials science" tag

I'm a coin collector. And I've seen silver and gold in grades ranging from "looks like someone ran this over with a car for pleasure", to mirror like deep proof finishes on certain coins and bullion.

I understand most coins aren't "polished," to achieve that mirror like effect you see in some high grade bullion or mint state coins. It's the die pressing to create a very shiny field.

But that's about all I know.

When metal is shiny verses when it looks "rough" like mild steel vs .999 silver, what exactly is happening to the lattice structure of the crystal matrices to create the gradient from rough or "satin" to mirror like?

Are the rough crystal edges being compressed enough to push the molecules closer together to reflect light rather than refract it?

Sorry if not much of that made sense. English isn't my first language... No it is I'm just kind of dumb.

Thanks in advance!

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πŸ‘€︎ u/CACTUS_VISIONS
πŸ“…︎ May 17 2021
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Found in Denny Creek complex in Washington; in a small quartz matrix there is a black crystal with a six sided lattice that looks like a rupee from Zelda, and about .5 cm wide. reddit.com/gallery/ntbmaj
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πŸ‘€︎ u/hitbycars
πŸ“…︎ Jun 06 2021
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From crystal lattice trophies, to whispering vines, a devil's tongue, a mirror's guide.

What am I?

Edit: I was given a hint, the phrase "a mirror's guide" is now replaced by "woe by mirror"

πŸ‘︎ 100
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πŸ‘€︎ u/PythonymousHacker
πŸ“…︎ Nov 04 2020
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Crystal Structures & Bravais Lattices (Structural Properties of Materials) youtube.com/watch?v=iNLWz…
πŸ‘︎ 29
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πŸ‘€︎ u/berkdogu45
πŸ“…︎ May 16 2021
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Incredible ''Rainbow lattice'' sunstone found in the deserts of Australia's northern territory! the ''lattice'' is the result of light refraction on the stone's tiny crystals!
πŸ‘︎ 357
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πŸ‘€︎ u/leakytoquito
πŸ“…︎ Nov 10 2020
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Orange with black lattice and green crystals S class experimental MT. Exit portal on Chwo Tau save and reload (you must do this before going to the next planet or you will get a different MT).Then fly to charred planet Ilwaukel Moriy at coords in picture .Commball left at site .
πŸ‘︎ 124
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πŸ‘€︎ u/Scotty300872
πŸ“…︎ Sep 01 2020
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Crystal Structures & Bravais Lattices (Structural Properties of Materials) youtube.com/watch?v=iNLWz…
πŸ‘︎ 15
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πŸ‘€︎ u/berkdogu45
πŸ“…︎ May 16 2021
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Crystal Structures & Bravais Lattices (Structural Properties of Materials) youtube.com/watch?v=iNLWz…
πŸ‘︎ 16
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πŸ‘€︎ u/berkdogu45
πŸ“…︎ May 16 2021
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TM's Tutorial 12 - Crystal Lattice and some interesting (crystal-like) examples
πŸ‘︎ 43
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πŸ‘€︎ u/TerraMonolith
πŸ“…︎ Mar 07 2021
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Explaining the hypothetical physics of phase portals in apex legends. This animation shows what looks to be a hypothetical pion crystal with a body centered tetragonal lattice: Schoenflies group-D4h at 3 different levels of scale relativity. v.redd.it/e0fo8ruslzs61
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πŸ‘€︎ u/yoimdop3
πŸ“…︎ Apr 13 2021
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The newest addition to my collection . Zippo armor crystal lattice Swarovski from 2015 reddit.com/gallery/lnm8yv
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πŸ“…︎ Feb 19 2021
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Halide Replacement with Complete Preservation of Crystal Lattice in Mixed‐Anion Lanthanide Oxyhalides

Topochemical halide ion replacement in lanthanide oxyiodide nanostructures proceeds with complete preservation of the tetragonal matlockite crystal structure along a gradient of increasing anion hardness. Reformation of the anion lattice around the intact cation slabs impedes 5D3-5D4 phonon-assisted cross relaxation and is observed as a distinctive blue hue for an embedded quantum reporter.

Abstract

A challenge in anion control in periodic solids is to preserve the crystal lattice while substituting for different anions of widely varying size and hardness. Post-synthetic modification routes that place cations or anions in non-equilibrium configurations are promising; however, such methods remain relatively unexplored for anion placement. Here, we report the synthesis of LaOI nanocrystals by a non-hydrolytic sol-gel condensation reaction and their transformation into LaOBr, LaOCl, and LaOF nanocrystals along hard–soft acid–base principles using post-synthetic metathesis reactions with ammonium halides. Anion displacement proceeds along halide planes, preserving the tetragonal matlockite structure. Energy-variant X-ray excited optical luminesce signatures of alloyed Tb3+-ions is a sensitive quantum reporter of the preservation of the cation sublattice and hardening of the crystal structure upon anion replacement.

https://ift.tt/3fq6k2j

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πŸ‘€︎ u/TomisMeMyselfandI
πŸ“…︎ Jun 04 2021
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I found this Swarovski crystal lattice Zippo online and I liked it and so I wanted to see if you think it looks genuine because I don't see anything that would suggest that it is fake reddit.com/gallery/l0jkii
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πŸ“…︎ Jan 19 2021
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Do we use the term "lattice energy" for something like an alkaloidal salt crystal?

Well, title's a start. Just curious if the term lattice energy is used outside of something an ionic compound like NaCl.

How about an organic compound that isn't salted, say the freebase of the same alkaloid or a different compound completely like benzophenone or something? Do they have lattice energy?

And a slightly tangential question: Why are alkaloids in the salt form more willing to form crystal structures?

πŸ‘︎ 4
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πŸ‘€︎ u/pleurotoid
πŸ“…︎ Mar 10 2021
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White with black lattice and green crystals ,S class experimental pistol .Save and reload portal planet Ranslemph T41,then go to coords +52.13,-36.77 on planet Elvin sigma.
πŸ‘︎ 29
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πŸ‘€︎ u/Scotty300872
πŸ“…︎ Mar 20 2021
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Paraiba Tourmaline the most precious because of the trace amounts of copper and manganese in their crystal lattice. v.redd.it/nc7prv9ny5r61
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πŸ‘€︎ u/afghan007
πŸ“…︎ Apr 04 2021
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[ASAP] Single-Crystal Lattice Filling in Connected Spaces inside 3D Networks

Journal of the American Chemical SocietyDOI: 10.1021/jacs.0c12545

Wei Zhang, Yucen Li, Chunjing Shi, Ruijuan Qi, and Ming Hu

https://ift.tt/3niAh6p

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πŸ‘€︎ u/TomisMeMyselfandI
πŸ“…︎ Apr 21 2021
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Do free electrons in a crystal reflect off lattice planes?

My textbook (Arthur Beiser Intro to Modern Physics) states that "unbound low-energy electrons can travel freely through a crystal since their waves are long relative to the lattice spacing a " in the chapter on solid state physics.

Now I understand that high-energy electrons with wavelengths comparable to the lattice spacing a will undergo diffraction (just like x-rays diffract when they impinge upon a crystal). Hence these electrons will not be able to travel freely through the lattice. Clearly this diffraction will not occur for low-energy electrons with wavelengths much longer than a. But surely these low-energy electrons will still reflect off the lattice planes in the same way that visible light reflects off a crystal (as opposed to x-rays which diffract off the lattice)? The fact that the low energy electrons have wavelengths much longer than the lattice spacing a doesn't seem to indicate that they should be able to travel freely through the lattice because they should still be reflecting off the bragg planes. So why does the author infer that low energy electrons should be able to travel freely through the crystal?

Any help on this issue would be most appreciated!

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πŸ‘€︎ u/bobbyAndAlbert
πŸ“…︎ Apr 18 2021
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