Synthetic Ruby 4mm Solid Ball ** Important, these are not beads, they are solid without a hole

Sold by AtomicTops
$9.67
+ $11.76 shipping
$9.67
+ $11.76 shipping
In stock
Preparation takes 1-3 business days
Arrives from United Kingdom
Returns accepted
See this seller's return policy

Item details

A synthetic corundum ruby solid ball. The hardness is 9 Mohs. It is important to understand these are solid spheres, not beads with a hole. I use these in various sizes for my tops but have decided to sell the rubies and sapphires loose also.

For those that are interested, rubies and sapphires are both corundum but when they are red they are called rubies and all others are sapphires. Wiki states: "The word ruby comes from ruber, Latin for red". I don't know why other colours of sapphire don't have their own common names from latin, or maybe they do but all the colours of corundum arise from various unique elements which give different colours. When a corundum has no colour is is called a "white sapphire".

What I like about these other than they are nice looking is the hardness. They are similar to tungsten for hardness and therefore are good for things that require resistance to wear, like in watch bearings and some specialized equipment. Although these rubies and sapphires are lab-made they share most of the qualities of natural rubies, specifically the hardness and a low coefficient of friction which contributes to long spin times on a top. Maybe you can find other used for these, they are pretty regardless of what they are used for and I hope to expand the range of colours :)


FAQs

Try not to drop the tops on hard surfaces as deforming the top in any way can put it out of balance which will negatively affect spin time. I don't recommend polishes with ammonia. Use a thin film of lubricant on whatever surface used for spinning as that will help with longer spin times and reducing the wear of the contact surfaces. Some PTFE spray works good or light oil, don't use ones with silicone, to gummy.

Sorry not taking commissions. Having said that, if someone has a design that they think would be cool to have made in general, regardless of whether the person suggesting the design will buy it or not and I feel like having a go making it then who knows, always worth an ask. It really will come down to how I feel about making the design but I won't get into contracts of any type or agree to making some other maker's design. For example I'm not going to make the inception top.

Try not to drop the tops on hard surfaces as deforming the top in any way can put it out of balance which will negatively affect spin time. I don't recommend polishes with ammonia. Use a thin film of lubricant on whatever surface used for spinning as that will help with longer spin times and reducing the wear of the contact surfaces. Some PTFE spray works good or light oil, don't use ones with silicone, to gummy.

Sorry not taking commissions. Having said that, if someone has a design that they think would be cool to have made in general, regardless of whether the person suggesting the design will buy it or not and I feel like having a go making it then who knows, always worth an ask. It really will come down to how I feel about making the design but I won't get into contracts of any type or agree to making some other maker's design. For example I'm not going to make the inception top.


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Preparation takes 1-3 business days
Arrives from United Kingdom
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I gladly accept returns and cancellations
Contact me within: 14 days of delivery
Ship items back within: 21 days of delivery
Request a cancellation: before item has shipped
I don't accept exchanges
But please contact me if you have any problems with your order.
The following items can't be returned or exchanged
Because of the nature of these items, unless they arrive damaged or defective, I can't accept returns for:
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Buyers are responsible for return shipping costs. If the item is not returned in its original condition, the buyer is responsible for any loss in value.