Gems, minerals, rocks and their imitations. Stones starting with L, minerals starting with L Gem starting with L.

Mineral of the sodalite group. Forms dense masses of blue and blue.
LAZURKVARTZ - blue chalcedony.
LAZURFELDSHPAT - blue orthoclase.
LAMBRA - the name of amber in the Middle Ages.
LANGBEINITE - a rare mineral of the group of anhydrous sulfates.
LANDERITE - pink-red grossular, a type of pomegranate.
LARDITE - agalmatolite.
LARIMAR BLUE - pectolite from the Dominican Republic.
LASQUES is the traditional name for large diamonds.
LAT YAY - a matte variety of jadeite.
LEVISTONIT is a colored variety of apatite.
LEGRANDITE - a mineral of the group of hydrated arsenates.
LEDERIT - the old name of titanite.
LEUKOGRANATE - colorless pomegranate.
LEUKOSAPPHIR - colorless corundum or white sapphire, wrong name.
Leucite - a mineral of the subclass of framework silicates.
ICE LADIES - Mary's glass.
ICE GIRL - Mary's glass.
LEONIT - aventurine quartz.
Lepidolitis - a mineral of the mica group. Lithium mica.
LESSERIT - the local name for large regular inderite crystals.
LIBIT - Libyan glass.
LIGURIUS - lincurium.
LIDICOATITIS - a kind of tourmaline, a calcareous analogue of elbaite.
LEADES - jasper related black fine-grained silicate rock containing carbonaceous or organic matter (bitumen).
LIZARDITE - one of the many varieties of serpentine.
LIKNIS - the ancient name of red stones: pomegranate, ruby, as well as violet-red and rose-red tourmaline.
LILIALITH - the old name of lepidolite.
LILITH is the old name for the blood-red variety of orthoclase.
LINARIT - a mineral of the group of anhydrous sulfides.
LINCURIUM - magic stone antiquity. It appears to be a reddish-gold tourmaline.
LINTONITE - a translucent olive-green or pink-red variety of thomsonite, reminiscent of jadeite.
LIPARIT - the wrong name for chrysocolla, fluorite and talc.
LITHIOPHYLLITE - triphyllitis.
LITOXIL - silicified wood.
LITOS-LAZURI - dense aggregates of fluorite with purple-red spherical stripes.
LICH-SUNG-SKI is the Chinese name for turquoise.
Loboit - Vesuvian from Gucuma (Switzerland).
LOZIT - a kind of cancrinite with slightly altered optical properties.
LOMONTIT - a mineral of the zeolite group.
LORELIT - a kind of vesuvian of golden brown color.
LOTRITE - pumpelliitis.
LUDLAMIT - a mineral of the class of hydrated phosphates.
LUMARITE - cellon.
LOUTHOLIT - oligoclase from Luotol (Switzerland).
MOONSTONE - see moonstone.
MOONSTONE BLUE - trade name for chalcedony.
MOON STONE GREEN - amazonite.
MOON STONE OREGON - chalcedony from Oregon (USA).
MOON STONE PRISMATIC -chalcedony.
MOON STONE RHODESIAN - translucent quartz with a bluish-white shimmer.
MOON STONE BLACK - a dark labrador with a bluish play.
RADIANT STONE - actinolite.
LUX-SAPPHIRE - cordierite, incorrect trade name.
LUSINITE - a kind of variscite.
LUSTERGEM - colorless synthetic spinel.
LUSTERITE - colorless synthetic rutile.
LYAPIS-LAZUR - a kind of blue, greenish-blue, sometimes purple-blue lapis lazuli.
LYAPIS COPPER - imitation of lapis lazuli.
LYAPIS MUTABILIS - hydrophan.
LYAPIS GERMAN - artificially colored jasper imitating lapis lazuli.
LYAPIS LEAD is an emerald green variety of linarite.
LYAPIS SWISS - German lapis.

M

MAGALUX - colorless synthetic spinel.
MAGNESIOAXINITE - magnesium axinite.
MAGNESIOCORDIERITE - cordierite.
MAGNESIOCHROMITE - magnesium chromite.
MAGNESIOSHERLITE - a kind of tourmaline, intermediate in composition between dravite and sherl.
MAGNESITE - a mineral of the calcite series, anhydrous magnesium carbonate.
MAGNES - the ancient and medieval name for magnetite.
MAGNETITE - iron oxide with strong magnetic properties.
MAGNOCHROME - magnesium chromite.
MAGNOSPINEL - galaxite.
MIKAT - the ancient name of turquoise, which, according to sources, was considered a type of malachite.
Mayait - local geographic name of diopside jadeite.
MACLE is an outdated name for chrysolite.
MAXIXIT - aquamarine.
MAXIST-BERILL - aquamarine.
MAKUZITE - volcanic glass from Peru.
MALACON - a glassy dark brown variety of zircon.
MALAKOLIT - a light green variety of diopside.
MALACHITE - mineral, hydrous copper carbonate of green color.
Malachite azurite - azurmalahite.
MALAKHITE STAR - chalcedony with rare large inclusions of malachite.
MALAKHIT PLISOVY - malachite of deep green color.
MALAKHIT PRIMORSKY - skarn.
Malachite black - black vitreous minerals, mainly varieties of goethite, cryptomelane, etc.
MANGANAXINITE - manganese axinite.
MANGANNIDOKRAZ - manganese vesuvian.
MANGANOLITE is an obsolete name for rhodonite.
MANGANOTANTALITE - a mineral of the columbite and tantalite range.
MANGANOSPATE - rhodochrositis.
MANGAN-TOURMALIN - tsilaisite.
MANYU - blood-red jade.
MAORIAN STONE - jade.
MARANITE - chiastolite.
MARACHASITA - an old, alchemical name for pyrite or marcasite, as well as some varieties of topaz.
MARVELIN - rhodonite.
MARGAN is the ancient name for red coral.
MARGARITA is the medieval name for pearls.
MARGARITS - the ancient Greek name for pearls.
MARECANIT - smoky brown, gray or black obsidian.
MARIALIT is the last member of the scapolite isomorphic series.
MARIAN - Arabic name for red coral.
MARIPOSIT - metamorphic rocks with green, shiny mica ingrowths.
MARCAZITE - mineral, dimorphic modification of pyrite.
MARMATITE - a kind of sphalerite.
MARMOLITE - a colored variety of antigorite.
MASKAREINITE - an opal substance of organic origin.
MASCOT EMERALD - a low quality emerald, considered an amulet.
MASS OPAL - matrix opal.
MATOROLIT - gemological name of colored chalcedony with an admixture of chromium compounds.
MOTHER OF EMERALD - the stannic name of praza (proseme). In ancient times, it was believed that the praise turns into an emerald over time.
MAUINIT - the geographical name of the Labrador retriever.
MOUNTAIN MAHAGNI - obsidian with black and red stripes.
MAFEK is the old Egyptian name for turquoise.
MEDICAL EMERALD - green glass imitating an emerald.
HONEY STONE - melite.
MEDFORDIT - moss agate.
SILICON COPPER - the old name of chrysocolla.
MEZOBIT - goethite.
MESOLITHIC - a mineral of the zeolite group.
MEZOLITIN - the old name of thomsonite.
MAJERIT - purple aluminum garnet.
MEIONITE - mineral, calcium member of the isomorphic series of scapolites.
MEXIC STONE - Cornelian.
MELANITE - a group of pomegranates, black variety andradite.
MELINOFAN - a mineral of the beryl silicate class.
MELIPHANITE - melinofan.
MELICHRISOS - honey-yellow zircon.
MELLIT - honey stone.
MELONITE - the name of malachite in the early Middle Ages.
MEMPHIT - in ancient times, decorative and healing stone... No mineralogical identification has been identified.
MENHIT - columbite or monazite.
MENILITH- a kind of opal.
MERIDIS - colorless synthetic rutile or sapphire.
MIDDLETONIT - amber-like fossil resin.
MIKAFILIT - andalusite.
MICROCLEANE - a mineral of the group of alkaline feldspars.
MICROCLEAN-ALBIT is the outdated name for anorthoclase.
MICROLITE - a mineral of the pyrochlore group, oxide class.
MICROPALEITE - mineral ingrowths in the Labrador, giving a shimmering effect.
MICROSOMMIT - a kind of cancrinite.
MILARIT - a mineral of the beryl silicate class, cordierite group.
MILLERITE - mineral, nickel sulfide.
MIMETESIT - mimetite.
MIMETIT - a mineral of the apatite group, isomorphic with pyromorphite.
MINT BERILL - green beryl.
MIRIDAS - colorless untreated rutile.
MIRIKIT - white translucent

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L
LABRADOR - one of the intermediate members of the continuous series of solid albite solution (NaAlSi 3 O 8) - anorthite (CaAl 2 Si 2 O 8), plagioclase with anorthite component from 50% to 70%. It used to be considered a mineral.
LABRADORITE - a breed consisting almost entirely of Labrador, with beautiful game flowers with a bluish tint.
LAVEZ - steatite is a type of talc.
LAVENDRIN - amethyst quartz.
LAVSONITE - a mineral of the silicate group.
LAZULIT - a mineral of the class of anhydrous phosphates.
LAZULIT SPANISH- cordierite.
LAZURAPATITIS - a dense blue-blue variety of apatite or apatite germination with lapis lazuli.
LAPIS LAZULI - a mineral of the sodalite group. Forms dense masses of blue and blue. Discovered by Eric Laxman.
LAZURKVARTZ - blue chalcedony.
LAZURFELDSHPAT - blue orthoclase.
LAMBRA - the name of amber in the Middle Ages.
LANGBEINITE - a rare mineral of the group of anhydrous sulfates.
LANDERITE - also that rosolite is a pink-red grossular, a kind of pomegranate.
LARDITE - agalmatolite.
LARIMAR BLUE - pectolite from the Dominican Republic.
LASQUES is the traditional name for large diamonds.
LAT YAY - a matte variety of jadeite.
LEVISTONIT is a colored variety of apatite.
LEGRANDITE - a mineral of the group of hydrated arsenates.
LEDERIT - the old name of titanite.
LEUKOGRANATE - colorless pomegranate.
LEUKOSAPPHIR - colorless corundum or white sapphire, wrong name.
Leucite - a mineral of the subclass of framework silicates.
ICE LADIES - Mary's glass.
ICE GIRL - Mary's glass.
LEMANNIT -synonym for crocoite.
LEONIT - aventurine quartz.
Lepidolitis - a mineral of the mica group. Lithium mica.
LESSERIT - the local name for large regular inderite crystals.
LIBIT - Libyan glass.
LIGURIUS - lincurium.
LIDICOATITIS(liddicoatite) - a mineral of the tourmaline group; named after Richard T. Liddicoat (1918-2002), American gemologist, president of the Gemological Institute of America (he, in particular, developed a system for assessing the quality of diamonds ranging in color from colorless to light yellow); found on the island of Madagascar, described in a 1977 article, registered in the IMA in 1976; color brown, green, pink, red, blue, color zoning is typical; line is light brown;
Ca (Li 2 Al) Al 6 (BO 3) 3 Si 6 O 18 (OH) 3 F.
LEADES - jasper related black fine-grained silicate rock containing carbonaceous or organic matter (bitumen).
LIZARDITE - one of the many varieties of serpentine.
LIKNIS - the ancient name of red stones: pomegranate, ruby, as well as purple-red and pink-red tourmaline.
LILIALITH - the old name of lepidolite.
LILITH is the old name for the blood-red variety of orthoclase.
LEMONITE - a mineral aggregate, which is a mixture of ferric hydroxides: goethite, hydrogoethite, hydrohematite, lepidocrocite (with a predominance of the former).
LINARIT - mineral of the group of anhydrous sulfates with hydroxyl CuPb (SO 4) (OH) 2.
LINCURIUM - the magic stone of antiquity. It appears to be a reddish-golden tourmaline.
LINTONITE - translucent olive-green or pink-red variety of thomsonite, reminiscent of jadeite.
LIPARIT - the wrong name for chrysocolla, fluorite and talc.
LITHIOPHYLLITE - triphyllitis.
LITOXIL - silicified wood.
LITOS-LAZULI - dense aggregates of fluorite with purple-red spherical stripes.
LICH-SUNG-SKI is the Chinese name for turquoise.
Loboit - Vesuvian from Gucuma (Switzerland).
LOZIT - a kind of cancrinite with slightly altered optical properties.
LOMONTIT - a mineral of the zeolite group.
LONSDALEIT - a mineral, a native element, allotropic modification of carbon, like diamond, graphite, chaoite. Lonsdaleite is superior in hardness to diamond and is the hardest known substance.
LORELIT - a kind of vesuvian of golden brown color.
LOTRITE - pumpelliitis.
LUDLAMIT - a mineral of the class of hydrated phosphates.
LUMARITE - cellon.
LOUTHOLIT - oligoclase from Luotol (Switzerland).
MOONSTONE - see moonstone.
MOONSTONE BLUE - trade name for chalcedony.
MOON STONE GREEN - amazonite.
MOON STONE OREGON - chalcedony from Oregon (USA).
MOON STONE PRISMATIC -chalcedony.
MOON STONE RHODESIAN - translucent quartz with a bluish-white shimmer.
MOON STONE BLACK - a dark labrador with a bluish play.
RADIANT STONE - actinolite.
LUX-SAPPHIRE - cordierite, incorrect trade name.
LUSINITE - variscitis.
LUSTERGEM - colorless synthetic