Jeff Weissman's Image Gallery

McDougall Minerals sells high-quality mineral specimens from all over the world to collectors of all levels, from beginners to connoisseurs

John Betts - Fine Minerals, New York. Dealers of Fine Minerals and Natural Crystal Clusters since 1989. We buy rock collections, we buy gem collections, we buy mineral collections.

Weinrich Minerals, A Dealer in Fine Mineral Specimens - Since 1989. We buy collections and single high quality specimens.

Images from Jeff Weissman

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Jeff Weissman's Image Gallery With 1177 Images

Lorettoite Image

Images:

Lorettoite: Pb7O6Cl2

Comments: Orange crystalline lorettoite in matrix.
Location: Kombat Mine, Kombat, Otjozondjuba, Namibia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Loughlinite Image

Images:

Loughlinite: Na2Mg3Si6O16·8(H2O)
Bradleyite: Na3Mg(PO4)(CO3)

Comments: Silky fibrous veinlets of loughlinite with bradleyite.
Location: Green River area, Sweetwater County, Wyoming, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Lovdarite Image

Images:

Lovdarite: K2Na6Be4Si14O36·9(H2O)

Comments: Bright white crystal sprays of lovdarite on fine-grained white natrolite.
Location: Yubileinaya Pegmatite, Mount Karnasurt, Lovozero Massif, Kola Peninsula, Murmansk, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Lovozerite Image

Images:

Lovozerite: H4Na2Ca(Zr,Ti)[Si6O18]

Comments: Pinkish lovozerite with red crystalline eudialyte.
Location: Mount Rasvumchorr, Khibiny Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Loweite Image

Images:

Loweite: Na12Mg7(SO4)13·15(H2O)

Comments: Opaque white crystalline löweite with clear colorless halite.
Location: Wilhelmshall, near Stassfurt, Sachsen-Anhalt, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Luanheite Image

Images:

Luanheite: Ag3Hg

Comments: Inclusions of luanheite, in tellurium, in quartz.
Location: Mina Bambolla, Moctezuma, Sonora, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ludjibaite Image

Images:

Ludjibaite: Cu5(PO4)2(OH)4

Comments: Coating of intense blue-green microcrystals and crystalline ludjibaite.
Location: Shituru, Shaba, Zaire. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ludwigite Image

Images:

Ludwigite: Mg2Fe+++BO5
Chestermanite: Mg2(Fe+++,Mg,Al,Sb+++++)BO3O2

Comments: Black capillary crystals of ludwigite with green inclusions of chestermanite in impure marble.
Location: Near Potter Pass, Fresno County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Luetheite Image

Images:

Luetheite: Cu2Al2(AsO4)2(OH)4·(H2O)

Comments: Blue to greenish crystalline luetheite crust on altering rock matrix.
Location: Patagonia, Santa Cruz County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Luzonite Image

Images:

Luzonite: Cu3AsS4

Comments: Pinkish-brown metallic luzonite, tarnishing gray, crystalline.
Location: Chin Kuashih, Kagoshima, Taiwan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Macdonaldite Image

Images:

Macdonaldite: BaCa4[Si16O36(OH)2]·10(H2O)

Comments: Bright white flattened radial macdonaldite aggregate on quartz.
Location: Rush Creek, Fresno County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mackinawite Image

Images:

Mackinawite: (Fe,Ni)S0.9

Comments: Mackinawite inclusions in sulfide ore (polished specimen).
Location: Mackinaw Mine, Snohomish County, Washington, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Madocite Image

Images:

Madocite: Pb17(Sb,As)16S41

Comments: Gray metallic massive madocite fragment.
Location: Madoc, Ontario, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magadiite Image

Images:

Magadiite: NaSi7O13(OH)3·4(H2O)
Rhodesite: KHCa2Si8O19·5(H2O)

Comments: Earth pale tan massive magadiite with dark yellow crystalline rhodesite.
Location: East Fork, Trinity River, Trinity County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Maghemite Image

Images:

Maghemite: gamma-Fe+++2O3

Comments: Fine-grained massive maghemite intermixed with hematite.
Location: Gara Djebilet, Algeria. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnesioaubertite Image

Images:

Magnesioaubertite: (Mg,Cu)Al(SO4)2Cl·14(H2O)
Pickeringite: MgAl2(SO4)4·22(H2O)

Comments: Aqua crystalline magnesioaubertite with white pickeringite.
Location: Grotto di Faraglione, Vulcano, Sicily, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnesiochromite Image

Images:

Magnesiochromite: MgCr2O4

Comments: Black crystalline magnesiochromite grains in serpentinite.
Location: Red Pit, Fulton Township, Lancaster County, Pennsylvania, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnesioclinoholmquistite Image

Images:

Magnesioclinoholmquistite: Li2(Mg,Fe++)3Al2Si8O22(OH)2
Clinoholmquistite: [ ](Li2Mg3Al2)Si8O22(OH)2
Fluoro-sodic-pedrizite: NaLi2(Mg2Al2Li)?5Si8O22F2

Comments: Dark blue fibrous clinoholmquistite with radiating structure, variety magnesioclinoholmquistite. Clinoholmsquitite may be a new aphibole, fluoro-sodic-pedrizite..
Location: Near Murun, Republic of Sakha, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnesiocopiapite Image

Images:

Magnesiocopiapite: MgFe+++4(SO4)6(OH)2·20(H2O)
Guildite: CuFe+++(SO4)2(OH)·4(H2O)

Comments: Brown granular guildite with greenish yellow magnesiocopiapite.
Location: United Verde Mine, Jerome, Yavapai County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnesiocopiapite Image

Images:

Magnesiocopiapite: MgFe+++4(SO4)6(OH)2·20(H2O)

Comments: Pale yellow opaque aggregate of magnesiocopiapite.
Location: Denver Mine, Santa Cruz County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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