Original textures were BC3 compression and a mix of 512, 1K and 2K resolution. I have cleaned all files of compression artifacts, and then upscaled them all by 4x, to a maximum resolution of 4K, converted to BC7 compression, and generated full mipmaps. I cleaned and upscaled them using Cupscale/ESRGAN and then finalized with NVIDIA Texture Tools and Octagon. 

Performance Options for Potato PCs
Mipmaps and BC7 compression reduce VRAM usage, especially when the files are cleaned of compression artifacts.
For Potato PCs, I've uploaded a downscaled version where the diffuse texture files are larger than normal and environment map files, which are less visible in game. This reduces VRAM usage considerably while maintaining higher visual quality, using the Octagon config files posted on this mod, which I recommend using if you have a Potato PC.

Installation
Setup in a FOMOD installer with different mesh options for the shape and size.

If you want ENB Light, you can use this addon mod


Original Description by Saerileth
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I've always felt the white phial was a bit... lackluster. You go to a lot of trouble obtaining (and subsequently repairing it), but not only is the reward pretty unimpressive gameplay-wise, it's also really ugly. I mean, that tiled, off-white texture will just not do. And the way Nurelion patches it up should be considered a crime! There are plenty of mods out there that improve the phial's effects, so this mod adresses the visual aspect of Curalmil's creation. It replaces the White Phial with a lore-friendly, highly detailed and ornate mesh that does better justice to an ancient artifact of legend.

This replacer features a brand new, unique shape for both the broken and repaired bottles. As I was brainstorming ideas Madcat211 pointed out that Curalmil is an elven name, not nordic, so even though he is entombed in a draugr crypt he may actually be of Snow Elf origin. My take on the White Phial is strongly inspired by the ancient falmer designs and incorporates (heavily modified) elements of Auriel's bow & shield.

Legend has it that the White Phial contains the essence of the first snow ever to fall on the Throat of the World. The vanilla object doesn't really give any visual indication of this fact, but I decided to expand on that theme. There is frost creeping up on the handle, ice gathering in the corners and the bottle glitters as if it was made from snow.

The new White Phial is very bright, to the point where it almost seems to glow in direct sunlight. That is just how bloom works in Skyrim, there's not much I can change about that without making the bottle look dull and grey in less extreme lighting. I rather like the effect myself, it makes the phial look very pristine and pure.

Credits & Thanks

Thanks to:
Gamwich for his help with the textures
Tamira for her help with collision

Texture sources:
Frost texture by Rubyfire14-stock
Various frost stock packs by Natalie Paquette
Frost Texture Brushes by Obsidian Dawn

Tools used:
Gimp 2.8
CrazyBump
NifSkope
Blender
SSE Nif Optimizer
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My Cleaned & Upscaled Texture Mods:

Beauty
CBBE 8K-4K
CoverKhajiits 4K
CoverEyes 1K

Animals and Creatures
Bellyaches 4K Animal and Creature Pack
Bellyaches 16K-8K Dragon Replacer Pack
Bellyaches New Dragon Species 16K-8K
4K Enderal Donkey

Clutter
SMIM 4K
Ruins Clutter Improved 4K
Saerileth's White Phial Replacer 4K-2K
Book Covers Skyrim 4K
Book Covers Skyrim - Lost Letters 4K
Better Books and Letters
Detailed Rugs 4K
Forgotten Retex Project 4K-2K
Sigils of Skyrim 4K-2K - Banners & Shields

Weapons, Armor and Gear
Zim's Immersive Artifacts 4K
Cloaks and Capes 4K
Bandanas and Blindfolds of Skyrim 4K Retexture
Chitin and Dwemer Goggles and Scouter 4K-2K
Tribunal Robes and Masks 4K
DeserterX Faction Crossbows
Bandolier 4K - Bags and Pouches
Queering Skyrim Necklaces Upscaled
Fashions Of The Banditry 4K
Forsworn Fashions 4K
Cloaks of the Nords 4K-2K

Magic, Weather & FX
Mysticism: A Magic Overhaul
Deadly Spell Impacts 4K
Wonders of Weather 4K
Rainbows 4K
Shooting Stars 2K

DLCs & Misc
Beyond Skyrim Bruma: Mountain Textures
Pilgrim: A Religion Overhaul
Holidays 4K-2K
Monuments of Men 4K

If you are interested in collaborating on Overhaul projects, or levelling up your experience of modding Skyrim, please join my discord server, Skypocalypse.

Skypocalypse is above all a place for COLLABORATION, a community hub for mutual aid to level up our skills and Skyrim itself.
 
This server is the host to Skypocalypse Academy, where modders and porters of all skill and experience levels assist each other as we dive ever deeper into transforming the bones of this magical game. Featuring an extensive library of tools and resources, The Academy is meant to be as educational as it is welcoming.
 
We know from experience that modding is an extremely addictive past-time and can be a slippery slope from creating a simple load order to porting mods to going full boat and attempting to rebuild Skyrim from the ground up. That's why we believe in a community that integrates Xbox and PC gamers along with porting noobs and experienced mod authors. We all have more to learn, and modding Skyrim to its extreme is a community effort to say the least.
 
Skypocalypse is meant to be a gaming community that supports collaborative efforts. The gaming and social channels here are intended to foster the social connections that help act as glue for our collaborative work.[/size]