I attempt to accurately represent and describe cut stones and rough
as to appearance, size, origin and fully disclose any known
treatments in its description. Because you view the images on a
different monitor with different settings, color is particularly fickle
to represent, but I do my best.
Psychotic
By: Dan Starr
Cutting Instructions
Psychotic cut in Extra Color Amethyst
2.20 cts  - 8.9 mm wide x 9.2 mm long 5.8 mm deep
Psychotic - Designed by Dan Starr © 2014
Angles are for R.I = 1.54
49 Facets  +  16 Girdle Facets  =  65  Total Facets
8-fold radial symmetry
96  Index
L/W = 1.000  T/W = 0.389  U/W = 0.389  P/W = 0.442  C/W = 0.202
Volume/W e3  =  0.218
Cutting Remarks  -  Cut unchanged from RI = 1.54 to RI = 2.16. Very high tilt brightness, especially at the larger RIs.
Pavilion
P1
41.5
96-12-24-36-48-60-72-84                                  
Cut to center point.                                                                                       
P2(G)
90.0
96-12-24-36-48-60-72-84                                  
Cut to meet P1.                    .                                                                        
P3
40.75°
06-18-30-42-54-66-78-90                                  
Cut to the same center point.                                                                        
P4(G)
90.0
06-18-30-42-54-66-78-90                                 
Cut a step to meet P1.                                                                                   
Crown
C1
37.0
96-12-24-36-48-60-72-84                                  
Cut to establish the girdle.                                                                             
C2
35.0
06-18-30-42-54-66-78-90                                  
Cut to meet C1 and establish the girdle.                                                        
C3
32.0
04-16-28-40-52-64-76-88                                 
Cut to meet the girdle.                                                                                    
C4
28.0
08-20-32-44-56-68-80-92                                 
Cut to meet C2.                                                                                              
T
0.00°
Table                                                                  
Cut a step to meet C3 and C4.                                                                     
Cutting Instructions
Home       Finished Gemstones         Sold Gemstones        Facet Rough        My Designs        Testimonials        Clarity System        Links        How To Order
Home       Finished Gemstones         Sold Gemstones        Facet Rough        My Designs        Testimonials        Clarity System        Links        How To Order
Psychotic tilt brightness for Quartz.
Psychotic tilt brightness for cubic zirconia.