Gem Types

The Authority:
Alpha Blue Diamond

Delta Green Diamond

Omega Red Diamond

Others:
Robonoids (May or may not be added)

Soldiers:
Amethyst

Blue Quartz

Aventurine

Citrine

Jasper

Cherry Quartz

Rose Quartz

Smoky Quartz

Carnelian

Milky Quartz

Zebra Jasper

Praisolite

Rubies

Topazes

Malachites (Fusion)

Rhodonites (Fusion)

Authoritative:
Agate

Aquamarine

Amber Beryl

Nacre

Azurite (Fusion) Platinum

Steel

Aristocratic:
Sapphire

Kyanite

Garnet (Fusion) Gold

Terraformers:
Lapises

Larimars

Clinohumites

Technical:
Peridot [With/Without limb enhancers]

Nephrite

Attendants:
Pearls

Spinels

Rutiles

Zircons

Angelites

Selenites

Builders:
Bismuths

Coals

Verdelites

Hemimorphites

Admin Morphs:
Zuli

Boulder Opal

Ridge Opal

Cobalt Pearl

Jellyfish Moonstone

Plum Pearl

Raspberry Pearl

Polyhedroid

Crab [Actual crab] Source: Gem Galaxies [game]