Gemstone having a mirror-coated front

Abstract

Gemstone ( 1 ) having a back ( 2 ) tapering to a tip ( 3 ), and a front which is cut in a faceted manner ( 5 ), wherein regions opposing said tip ( 3 ) being mirrored ( 12 ).

1 . A gemstone having a back which tapers to a tip, and a front which is cut in a faceted manner, wherein regions lying opposite said tip are mirrored. 
     
     
         2 . The gemstone as claimed in  claim 1 , wherein the entire front which is cut in a faceted manner is mirrored. 
     
     
         3 . The gemstone as claimed in  claim 1 , wherein said back which tapers to a tip is cut. 
     
     
         4 . The gemstone as claimed in  claim 3 , wherein said back is cut faceted. 
     
     
         5 . The gemstone as claimed in  claim 1 , wherein said front and said back which tapers to a tip are separated by a girdle. 
     
     
         6 . The gemstone as claimed in  claim 1 , wherein said back which tapers to a tip is rounded off in the form of a culet. 
     
     
         7 . The gemstone as claimed in  claim 1 , wherein said front has a table. 
     
     
         8 . The gemstone as claimed in  claim 1 , wherein the ratio of the height of said back to the height of said front is between 3 and 7. 
     
     
         9 . The gemstone as claimed in  claim 1 , wherein the ratio of the height of said back to the height of said front is between 4 and 6. 
     
     
         10 . The gemstone as claimed in  claim 7 , wherein the ratio of the diameter of said table to the diameter of said gemstone is between 0.65 and 0.95. 
     
     
         11 . The gemstone as claimed in  claim 7 , wherein the ratio of the diameter of said table to the diameter of said gemstone is between 0.7 and 0.9. 
     
     
         12 . The gemstone as claimed in  claim 1 , wherein the opening angle of said back tapering to a tip is between 90° and 102°. 
     
     
         13 . The gemstone as claimed in  claim 1 , wherein the opening angle of said back tapering to a tip is between 94° and 98°. 
     
     
         14 . The gemstone as claimed in  claim 1 , wherein the angle of inclination of the lateral faces of said back to the diameter plane is between 36° and 48°. 
     
     
         15 . The gemstone as claimed in  claim 1 , wherein the angle of inclination of the lateral faces of said back to the diameter plane is between 40° and 44°. 
     
     
         16 . The gemstone as claimed in  claim 1 , wherein the angle of inclination of the lateral faces of said front to the diameter plane is between 36° and 48°. 
     
     
         17 . The gemstone as claimed in  claim 1 , wherein the angle of inclination of the lateral faces of said front to the diameter plane is between 40° and 44°. 
     
     
         18 . The gemstone as claimed in  claim 1 , wherein said gemstone is made of glass. 
     
     
         19 . The gemstone as claimed in  claim 1 , wherein said gemstone is made of plastic material. 
     
     
         20 . The gemstone as claimed in  claim 1 , wherein the mirroring is embodied as a reflective layer which is applied to the gemstone. 
     
     
         21 . A composite body with a carrier and at least one gemstone as claimed in  claim 1  arranged in said carrier, wherein said at least one gemstone is arranged with the mirrored region in said carrier. 
     
     
         22 . The composite body as claimed in  claim 21 , wherein said at least one gemstone is adhesively bonded to said carrier. 
     
     
         23 . The composite body as claimed in  claim 14 , wherein said carrier comprises a recess for arranging said at least one gemstone in.