Ultrasonic /safe for gems

In regard to safe cleaning of gems in ultrasonic cleaners, the following is
adapted from compiled info sources:

N = No
Y = Yes

Gem Steaming Ultrasonic Boiling Cleaners
Soap

Alexandrite Y Y N
Y Y
Amber N N N
N N
Amethyst N N N
Y Y
Aquamarine N N N Y
Y
Citrine N N
N Y Y
Coral N N N
N Y
Diamond Y Y Y
Y Y
Emerald N N N
N Y
Garnet N N N
Y Y
Iolite N N N
N N
Lapis N N N
Y Y
Opal N N N
N N
Pearl N N N
N N
Peridot N N N
N N
Ruby Y Y N
Y Y
Sapphire Y Y N
Y Y
Spinel Y Y N
Y Y
Tanzanite N N N
N Y
Topaz N N N
N Y
Tourmaline N N N
Y Y
Turquoise N N N
N Y
Zircon Y Y N
Y Y

I can not personally vouch for this advise but…
,here it is for what it is worth!

In just looked at the safety chart I typed and noted the format
was destroyed in transmission. Sorry but I made it nice!

Bob B