Section 1: Minerals and Mineral Resources E. Q.: What are minerals and how do people use them?

D

The slightly misshapen octahedral shape of this rough diamond crystal in matrix is typical of the mineral.

• 
  Dioptase
  
• 
  Djurleite
  
• 
  Dollaseite-(Ce)
  
• 
  Dolomite
  
• 
  Domeykite
  
• 
  Dumortierite
  

Varieties that are not valid species:

• 
  Delessite (magnesian chamosite)
  
• 
  Diatomite (diatomaceous earth)
  

E

Edingtonite Ekanite Elbaite Elsmoreite Emery (mineral) Empressite Enargite Enstatite Eosphorite Epidote

Epsomite Erythrite Esperite Ettringite Euchroite Euclase Eucryptite Eudialyte Euxenite

Varieties that are not valid species:

• 
  Emerald (green gem variety of beryl)
  

F

Fabianite Fayalite (olivine group) Feldspar (mineral group) Feldspathoid (mineral group) Ferberite Fergusonite Feroxyhyte Ferrierite (subgroup of zeolite minerals) Ferrihydrite Ferro-anthophyllite Ferrocolumbite Ferrohortonolite (olivine group) Ferropericlase Ferrotantalite Fergusonite (mineral group)

Fichtelite Fluorapatite (apatite group) Fluorcaphite Fluorichterite (amphibole group) Fluorite Fluorspar (synonym of fluorite) Fornacite Forsterite (olivine group) Fougerite (layered double hydroxide) Franckeite Frankhawthorneite Franklinite (spinel group) Freibergite Freieslebenite Fukuchilite

Varieties that are not valid species:

• 
  Fassaite Variety of augite
  
• 
  Ferricrete Iron oxide cemented soil or sediment
  

G

Gadolinite (mineral group) Gahnite Galaxite Galena Garnet (mineral group) Garnierite Gaylussite Gehlenite Geigerite Geocronite Germanite Gersdorffite Gibbsite Gismondine Glauberite Glaucochroite Glaucodot

Glauconite Glaucophane Gmelinite Goethite Gold Goslarite Graftonite Graphite Greenockite Greigite Grossular Grunerite Guanine Gummite Gunningite Gypsum

Varieties that are not valid species:

• 
  Gedanite (fossilized resin)
  
• 
  Glessite (natural resin)
  

H





Hanksite, from Searles Lake.





Hematite

Haggertyite Haidingerite Halite Halloysite Halotrichite Hanksite Hapkeite Hardystonite Harmotome Hauerite Hausmannite Hauyne Hawleyite Haxonite Hazenite Heazlewoodite Hectorite Hedenbergite Hellyerite Hematite Hemimorphite Herbertsmithite

Herderite Hessite Hessonite Heulandite Hibonite Hilgardite Hisingerite Holmquistite Homilite Hopeite Hornblende Howlite Hübnerite Humite Hutchinsonite Hyalophane Hydrogrossular Hydromagnesite Hydroxylapatite Hydrozincite Hypersthene

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

Ice Idocrase (synonym of vesuvianite) Idrialite Ikaite Illite

Ilmenite Ilvaite Iodargyrite

J

Jacobsite Jadarite Jadeite Jamesonite Jarosewichite

Jarosite Jennite Jeffersonite Jerrygibbsite Juonniite Jurbanite

Varieties that are not valid species:

• 
  Jade (tough, green mineral either jadeite or nephrite amphibole)
  
• 
  Jasper (variety of quartz)
  
• 
  Jet (fossilised wood)
  

K

Kaatialaite Kadyrelite Kainite Kalininite Kalinite Kalsilite Kamacite Kambaldaite Kankite Kaolinite Kassite Keilite Kermesite Kernite

Kerolite Kieserite Kinoite Knebelite Knorringite Kobellite Kogarkoite Kolbeckite Kornerupine Kratochvilite Kremersite Krennerite Kukharenkoite-(Ce) Kutnohorite Kyanite

Varieties that are not valid species:

• 
  Keilhauite (variety of titanite)
  
• 
  Krantzite (natural resin)
  
• 
  Kunzite (variety of spodumene)
  

L

Labradorite Lanarkite Langbeinite Lansfordite Lanthanite Laumontite Laurite Lawsonite Lazulite Lazurite Lead Leadhillite Legrandite Lepidocrocite Lepidolite Leucite Leucophanite

Levyne Libethenite Linarite Liroconite Litharge Lithiophilite Livingstonite Lizardite Löllingite Lonsdaleite Loparite-(Ce) Lopezite Lorandite Lorenzenite Ludwigite Lyonsite

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

A polished slice of Malachite

Muscovite

Mackinawite Maghemite Magnesite Magnesioferrite Magnetite Majorite Malachite Malacolite Magnesioferrite Manganite Manganocolumbite Manganotantalite Marcasite Margaritasite Margarite Mascagnite Massicot Matlockite McKelveyite Meionite Melaconite Melanite Melilite Melonite Mendozite Meneghinite Mercury Mesolite

Metacinnabarite Metatorbernite Miargyrite Mica (a group of silicate minerals) Microcline Microlite Millerite Mimetite Minium Mirabilite Mixite Moganite Mohite Moissanite Molybdenite Monazite Monohydrocalcite Monticellite Montmorillonite (clay mineral) Moolooite Mordenite Mottramite Mullite Murdochite Muscovite

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

Nabesite Nacrite Nagyagite Nahcolite Native copper Natrolite Natron Natrophilite Nekrasovite Nelenite Nenadkevichite Nepheline Nephrite Neptunite

Nickel Nickeline Niedermayrite Niningerite Niobite (synonym of columbite) Niobite-tantalite (synonym of columbite-tantalite) Nissonite Nitratine Nitre Nontronite Nosean Nsutite Nyerereite

O

Oligoclase Olivine (a group of silicate minerals) Olivenite Omphacite Ordonezite Oregonite Orpiment Orthochrysotile

Orthoclase Osarizawaite Osmium Osumilite Otavite Ottrelite Overite

Opal

Varieties that are not valid species:

• 
  Onyx (a monochromatic banded variety of chalcedony)
  
• 
  Opal
  

P

Painite Palladium Palygorskite Papagoite Parachrysotile Paragonite Pararealgar Parisite Partheite Pectolite Pelagosite Pentlandite Periclase Perovskite Petalite Petzite Pezzottaite Pharmacosiderite Phenakite Phillipsite Phlogopite Phoenicochroite Phosgenite Phosphophyllite Pigeonite

Plagioclase Na-Ca feldspar Platinum Polarite Pollucite Polybasite Potassium alum Polycrase Polydymite Polyhalite Powellite Prehnite Proustite Psilomelane Purpurite Pumpellyite Pyrargyrite Pyrite Pyrochlore Pyrolusite Pyromorphite Pyrope Pyrophyllite Pyroxene (group of silicate minerals) Pyroxferroite Pyrrhotite

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





Quartz

• 
  Quartz
  
• 
  Quenstedtite
  

R

Rambergite Rammelsbergite Raspite Realgar Renierite Rheniite Rhodium Rhodochrosite Rhodonite Rhomboclase Rickardite

Riebeckite Romanèchite Robertsite Rosasite Roscoelite Rosenbergite Routhierite Ruthenium Rutherfordine Rutile Rynersonite

Varieties that are not valid species:

• 
  Rock crystal (quartz)
  
• 
  Rose quartz
  
• 
  Roumanite (amber)
  
• 
  Ruby (red gem corundum)