770
synthetic gems (lemmy.blahaj.zone)
you are viewing a single comment's thread
view the rest of the comments

Right? A dime is a touch over 18mm, and prices I’ve been able to nail down on a couple sites for artificial rubies of that size, while way less than terrestrial rubies, cannot be considered ”cheap” - we’re still talking thousands of dollars.

[-] JohnDClay@sh.itjust.works 19 points 1 year ago

Maybe they mean ruby infused grinding wheels?

https://www.travers.com/product/radiac-ruby-surface-grinding-wheels-71150

Or maybe they were exaggerating a little bit and thinking about ruby bearings.

https://www.renishaw.com/shop/Product.aspx?Product=A-5000-3611

[-] booly@sh.itjust.works 2 points 1 year ago

A million f[beep]ing diamonds!

this post was submitted on 07 Sep 2023
770 points (98.5% liked)

Curated Tumblr

3957 readers
262 users here now

For preserving the least toxic and most culturally relevant Tumblr heritage posts.

Image descriptions and plain text captions of written content are expected of all screenshots. Here are some image text extractors (I looked these up quick and will gladly take FOSS recommendations):

-web

-iOS

-android

Please begin copied raw text posts (lacking a screenshot that makes it apparent it is from Tumblr) with:

# This has been reposted here to Lemmy as part of the "Curated Tumblr Project."

I made the icon using multiple creative commons svg resources, the banner is this.

founded 1 year ago
MODERATORS