A
- Varieties that are not valid species:
- Agate (variety of quartz)
- Alabaster (variety of gypsum)
- Alexandrite (variety of chrysoberyl)
- Allingite (synonym of amber)
- Alum
- Amazonite (variety of microcline)
- Amber (fossilized resin)
- Amethyst (purple variety of quartz)
- Ammolite (organic; also a gemstone)
- Amosite (asbestiform grunerite)
- Anyolite (metamorphic rock - zoisite, ruby, and hornblende)
- Antozonite (variety of fluorite)
- Aquamarine (light blue variety of beryl)
- Argentite (high temperature form of acanthite)
- Asbestos (fibrous serpentine- or amphibole minerals)
- Avalite (chromian variety of illite.)
- Aventurine (variety of quartz)
B
|
- Varieties that are not valid species:
- Bauxite (aluminium ore)
- Beckerite (natural resin)
- Bixbite (red gem variety of beryl)
C
- Varieties that are not valid species:
- Carnelian (variety of quartz)
- Chalcedony (cryptocrystalline variety of quartz)
- Chrysolite (gemmy yellow-green forsterite)
- Chrysoprase (green nickel bearing chalcedony)
- Chrysotile (group name - asbestiform serpentine)
- Citrine (yellow variety of quartz)
- Cleveite
- Coltan (short for minerals of the columbite group)
- Crocidolite (asbestiform riebeckite)
- Cymophane (variety of chrysoberyl)
D
- Varieties that are not valid species:
E
- Varieties that are not valid species:
- Emerald (green gem variety of beryl)
F
|
|
- Varieties that are not valid species:
- Fassaite Variety of augite
- Ferricrete Iron oxide cemented soil or sediment
G
|
- Varieties that are not valid species:
H
- Varieties that are not valid species:
- Heliodor (greenish-yellow variety of beryl)
- Heliotrope (variety of chalcedony)
- Hiddenite (variety of spodumene)
- Hyalite (variety of opal)
I
J
- Varieties that are not valid species:
- Jade (tough, green mineral either jadeite or nephrite amphibole)
- Jasper (variety of quartz)
- Jet (fossilised wood)
K
- Varieties that are not valid species:
- Keilhauite (variety of titanite)
- Krantzite (natural resin)
- Kunzite (variety of spodumene)
L
- Varieties that are not valid species:
- Lapis lazuli (a rock consisting primarily of lazurite, calcite and pyrite)
- Larimar (blue variety of pectolite)
- Lechatelierite (fused quartz glass)
- Lignite (a type of coal)
- Limonite -(a mineraloid )
- Lodestone (a synonym of magnetite)
- Lublinite variety of calcite
M
|
- Varieties that are not valid species:
- Magnesia
- Mariposite (variety of phengite/muscovite)
- Menilite (variety of opal)
- Meerschaum (variety of sepiolite)
- Milky quartz (a cloudy white quartz)
- Morganite (a pink beryl)
N
|
O
|
- Varieties that are not valid species:
P
|
- Varieties that are not valid species:
- Palagonite (basaltic volcanic glass)
- Perlite (volcanic glass)
- Phosphorite (name given to impure, massive apatite.)
- Plessite (mixture of kamacite and taenite)
- Pitchblende (a massive impure form of uraninite)
- Pumicite (synonym of pumice)
Q
R
- Varieties that are not valid species:
- Rock crystal (quartz)
- Rose quartz
- Roumanite (amber)
- Ruby (red gem corundum)
S
|
- Varieties that are not valid species:
- Sapphire (gem corundum of any color except red, especially blue varieties)
- Sard (a variety of chalcedony/quartz)
- Satinspar (a variety of Gypsum)
- Smoky quartz (a brown or black variety of quartz)
- Soapstone (a rock)
- Spectrolite (a variety of labradorite)
- Stantienite (a variety of amber)
T
- Varieties that are not valid species:
- Tanzanite (variety of Zoisite)
- Thulite (variety of Zoisite)
- Travertine (form of calcium carbonate)
- Tsavorite (gem variety of grossularite garnet)
U
- Varieties that are not valid species:
- Ultramarine
- Unakite, a rock composed of feldspar, epidote and quartz
- Uralite alteration actinolite
V
W
- Varieties that are not valid species:
X
Y
[edit] Z
|
