The gems of Revelation 21, page-7

Of the current 315 listed gemstones :-
https://www.gemsociety.org/gemstone-encyclopedia/
16 of them are known as ANisotropic.
The 12 listed in Revelation are ---->ANisotropic
..
What are the chances of ANYONE RANDOM picking 12 out the 16 from 315 ?
Chance of 1 correct pick = 1 in 19.7
315/16 = 1 in 19.7
...........
Chance of correct 2 picks = 1 in 412
(315/16) x (314/15)
.......
Chance of 3 correct picks = 1 in 9,913
(315/16) x (314/15) x (313/13)
...
Want to guess what the chance is of 12 correct picks ?
Approx 18 to the power of 12
1 chance in 1,150,000,000,000,000
..
Yet a mere human did that ALL BY HIMSELF 2000 years ago.
Nothing supernatural happening here folks