It is a common brand name or collection title for jewelry (referring to "twinning" or "doubling" of crystals/gems).
Right-click on the first file ( .001 ) and select "Extract Here." The software will automatically pull data from the .002 file to complete the process. Gemination New Catalogue 2020.7z.002
In the context of 2020 digital catalogues, "Gemination" usually refers to one of two things: It is a common brand name or collection
Compressed archives are often used to hide executable malware. Always scan the completed, extracted folder with updated antivirus software (like Windows Defender or Malwarebytes). Gemination New Catalogue 2020.7z.002