Rozaŭtuno@lemmy.blahaj.zone to Curated Tumblr@sh.itjust.worksEnglish · 1 year agosynthetic gemslemmy.blahaj.zoneimagemessage-square31fedilinkarrow-up114arrow-down11
arrow-up113arrow-down1imagesynthetic gemslemmy.blahaj.zoneRozaŭtuno@lemmy.blahaj.zone to Curated Tumblr@sh.itjust.worksEnglish · 1 year agomessage-square31fedilink
minus-squaregravitas_deficiency@sh.itjust.workslinkfedilinkEnglisharrow-up2·1 year agoRight? 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.
minus-squareJohnDClay@sh.itjust.workslinkfedilinkEnglisharrow-up1·1 year agoMaybe 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
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.
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