Ruby (Fake) (GregTech 5 Material)

Ruby (Fake) is a material added by GregTech 5 mod.

Ruby (Fake) is a MV-tier material. Its lens can be used to obtain Integrated Logic Circuit (Wafer) Integrated Logic Circuit (Wafer). This gem can be used for decorative purposes. This material has the name Ruby ingame for it to be mistaken with Ruby. It can be easily defined as fake by looking on it's Metadata. If it ends with 502, it is normal ruby. If it ends with 512, it is fake ruby.

Material Forms[edit]

In GregTech 5 Ruby (Fake) comes in these forms:

GUI Material Tree GT5.png
Ruby (Fake)

Crushed Ruby Ore (Fake)
Purified Ruby Ore (Fake)
Centrifuged Ruby Ore (Fake)
Impure Pile of Ruby Dust (Fake)
Purified Pile of Ruby Dust (Fake)
Ruby Dust (Fake)
Small Pile of Ruby Dust (Fake)
Tiny Pile of Ruby Dust (Fake)

Block of Ruby (Fake)

Ruby (Fake)
Ruby Lens (Fake)

Obtaining Material[edit]

Ruby (Fake) can be obtained by mining Small Fake Ruby Ore.


  • This material exists IRL. It is often found along Ruby in its veins. It is softer than ruby, therefore only flawless gems of this material can be used for jewellery.
  • This material is called Spinel and can be of many colours, including all the colours Ruby has.
  • Despite having formula CrAl2O3 (same as Ruby), its actual chemical formula is MgAl2O4. However, this material cannot be processed at all, so this does not matter.