Red Beryl from Wah Wah Mountains, Utah


M & W Minerals

Walter R. Kellogg


517 294 6709


All Prices US Dollars


Fine mineral specimens. Specializing in minerals from North and South America, rare species, native Copper specimens, specimens from Michigan, Tourmaline, Beryl and Topaz specimens.

Updates occur every Wednesday at 12:00 noon EST time (5:00 PM GMT) except in the case of holidays.

Currently for sale on the website there is a total of 2862 mineral specimens,  which includes 1095  specimens with individual web pages,  944 thumbnail specimens  and 823  on the galleries of mineral specimens priced under 25 dollars.

Minerals sold on the website (first sale 12/5/09): 6513

Minerals returned with full refund) - 12  --- and resold to a satisfied customer): 8  Minerals returned and exchanged for a different specimen: 6

Minerals returned  due to damage in shipping (with full refund): 5   Packages lost in transit: 3 --- packages  returned because of delivery problems: 3

Minerals damaged in transition for which a partial refund was made and the collector kept the specimen: 7

Mineral specimens returned without the ollector opening the package, because they decided they wanted something different (and better): 5

Updates Email Bulletins: If you want to receive an email each time new minerals are added to the website (usually, each Wednesday) please send an email to We do not automatically add you to the email list when you buy something and then force you to tell us to take you off the email list.

Minerals sold to collectors in the countries of Austria, Australia, Belgium, Brazil, Canada (all 10 provinces and Yukon Territory), China, Denmark, England, Finland, France, Germany, Greece, Indonesia, Israel, Italy, Japan, Malaysia, Mexico, Mongolia, Netherlands, Norway, Pakistan, Peru, Poland, Portugal,  Russia, Scotland, Singapore, Slovak Republic, Slovenia, South Africa, Spain, Switzerland, Thailand and Wales

and all 50 of the states of the U.S. and Washington D.C.

Mineral Galleries    Under 25 Dollars   Study & Hobby Samples   Links  Thumbnails Show Schedule



Latest Updates


Minerals Specimen: Azurite Sun on Marl from Malbunka Copper Mine, Areyonga, Alice Springs, Gardiner Range, Northern Territory, Australia

Previous Updates

Minerals Specimen: Rhodochrosite from N'Chwaning II Mine, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa




Minerals from Geographic Regions

United States

Minerals Specimen: Amazonite from Mona Mine, El Paso Co., Coloradp



Minerals Specimen: Brazilianite on Albite from Jenipapo, Itinga, Minas Gerais, Brazil



Minerals Specimen: Spessartine Garnet on Smoky Quartz from Tongbei, Yunxiao County, Zhangzhou Prefecture, Fujian Province, China



Minerals Specimen: Eudialyte, Aggrelite, Nepheline, Ferri-katophorite (Magnesiokatophorite) from Kipawa, Les Lacs-du-Temiscamingue, Temiscamingue RCM, Quebec, Canada



Minerals Specimen: Amethyst Pseudomorph after Calcite? from Guanajuato, Mexico



Minerals Specimen: Duftite over Dolomite over Rhombohedral Calcite from Tsumeb, Namibia



Minerals Specimen: Orange Quartz on Sphalerite from 2nd Sovietskii Mine, Dal'negorsk, Primorskiy Kray, Far-Eastern Region, Russia

South and Central America


Minerals Specimen: Emerald Crystal (Polished?) from Colombia



Minerals Specimen: Turquouise in China Clay from Treverbyn, St Austell District, Cornwall, England



Minerals Specimen: Lazurite Pseudomorph after Sodalite with Pyrite and Mica from Faisbad, Koksha Valley, Jurm District, Badakhshan Province, Afghanistan



Minerals Specimen: Copper Crystals from Copper Falls Mine, Copper Falls, near Eagle Harbor, Keweenaw County, Michigan, USA



Minerals Specimen: Vanadinite from Pure Potential Mine (North Geronimo Mine), Silver District, Trigo Mts, La Paz Co., Arizona, USA


New York

Minerals Specimen: Hexagonite (variety of Tremolite) from Balmat-Edwards Zinc District, St Lawrence County, New York, USA



Minerals Specimen: Benitoite from Gem Mine, San Benito County, California, USA



Minerals Specimen: Orpiment Crystal from Getchell Mine, Humboldt Co., Nevada, USA


New Jersey

Minerals Specimen: Prehnite Casts from Lane & Sons Traprock quarries, Westfield, Hampden County, Massachusetts, USA


New England

Minerals Specimen: Watermelon Tourmaline from Mt. Mica, Paris, Oxford County, Maine, USA



Galleries by Special Interest

Rare Species

Minerals Specimen: Bismutoferrite from Grube Guldener Falk, Neustadtel, Revier Schneeberg, Erzgebirge, Sachsen, Deutschland

Pseudomorphs and Casts

Minerals Specimen: Malachite pseudomorph after Cuprite from Chessy copper mines, Chessy-les-Mines, Le Bois d'Oingt, Rhone, Rhone-Alpes, France


Minerals with Inclusions

Minerals Specimen: Ankangite, Jamesonite, Fluorapatite Included in Quartz from Pitangui, Minas Gerais, Brazil


Minerals Specimen: Spessartine Garnet, Smoky Quartz, K-Feldspar, Hyaline Opal from Tongbei, Yunxiao County, Zhangzhou Prefecture, Fujian Province, China


Polished and Worked

Minerals Specimen: Agate from Baker Egg Ranch, Carrizalillo District, Luna Co., New Mexico, USA


Sorted by Most Recent

 Minerals Specimen: Tanzanite Crystal - 3.67 ct from Merelani Hills (Mererani), Lelatema Mts, Arusha Region, Tanzania


Sorted Alphabetically 

Minerals Specimen: Amazonite from Father's Day Pocket, Crystal Creek Area, Teller Co., Colorado June2007


Galleries by Species or Group



Minerals Specimen: Tourmaline on Quartz from Barra do Salinas, Coronel Murta, Minas Gerais, Brazil



Minerals Specimen: Copper Crystals, Adularia Crystals, Massive Microcline, Epidote and Quartz from Adventure mine, Butler Lode, Greenland, Ontonagon County, Michigan, USA


Minerals Specimen: Analcime Crystals with Calcite Geode from Paterson, Passaic Co., New Jersey



Minerals Specimen: Calcite from Charcas, San Luis Potosi, Mexico



Minerals Specimen: Phantom Quartz from Diamantina, Jequitinhonha valley, Minas Gerais, Brazil


Minerals Specimen: Fluorite from Cave-In-Rock, Hardin County, Illinois



Minerals Specimen: Pink Topaz on Quartz with Magnesite from Brumado, Bahia, Brazil




Minerals Specimen: Red Beryl on Rhyolite Matrix from Violet Claims, Wah Wah Mountains, Beaver County, Utah, USA


Gold and Silver

Minerals Specimen: Gold on Quartz from Harvard Mine, Jamestown, Mother Lode belt, Tuolumne Co., California, USA



Minerals Specimen: Spessartine Garnet and Muscovite on Microcline from Tongbei, Fujian, China




Systematic Galleries


Native Elements 

Minerals Specimen: Sulfur from Maybee Quarry, Maybee, Monroe Co., Michigan

Oxides & Hydroxides

Minerals Specimen: Hematite variety Needle Ore from Cary Mine, Hurley, Iron Co., Wisconsin


Minerals Specimen: Marcasite Stalactite (Repaired) from Blackstone Mine, Shullsburg, Lafayette Co., Wisconsin



Minerals Specimen: Rhodochrosite from N'Chwaning II Mine, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa



Minerals Specimen: Ammineite, Gypsum, Halite from Pabellon de Pica, Caleta Chanabaya, Iquique Province, Tarapaca Region, Chile



Minerals Specimen: Galena, Cerussite, Pyromorphite and Quartz from Wheatley Mines, Phoenixville Mining District, Schuylkill Township, Chester Co., Pennsylvania, USA



Minerals Specimen: Selenite on Red Gypsum from Michigan Cold Storage, Wyoming, Kent Co., Michigan


Borates and Hydrocarbons

Minerals Specimen: Tincalconite from Boron, Kern Co., California



Minerals Specimen: Chalcopyrite Crystals on Danburite from Mina La Aurora, Charcas, San Luis Potosi, Mexico



Minerals Specimen: Datolite with included K Feldspar from Lake Superior Copper District, Michgan



Minerals Specimen: Hexagonite (variety of Tremolite) from Balmat-Edwards Zinc District, St Lawrence County, New York, USA




Minerals Specimen: Topaz, Microcline, Albite with possible Florencite-(Ce) from Papachacra, El Portezuelo Granite, Belen Department, Catamarca, Argentina


Minerals Specimen: Benitoite from Gem Mine, San Benito County, California, USA



Minerals Specimen: Lepidolite from Coronel Murta, Minas Gerais, Brazil





Galleries by Price 


Under 25 Dollars

Minerals Specimen: Rosasite with Hemimorphite from Mina Ojuela, Mapimi, Durango, Mexico


25 to 49 Dollars

Minerals Specimen: Asbestos (Chrysotile) from Asbestos, Quebec, Canada


50 to 99 Dollars

Minerals Specimen: Schorl Tourmaline on Aquamarine from Mimoso do Sul Mine, Mimoso do Sul, Espirito Santo, Brazil


100 to 199 Dollars

Minerals Specimen: Calcite with Included Copper from Quincy Mine, Houghton Co., Michigan

200 to 299 Dollars

Minerals Specimen: Aquamarine and Schorl Tourmaline from Erongo Mountain, Erongo Region, Namibia


300 to 499 DollarsMinerals Specimen: Duftite over Dolomite over Rhombohedral Calcite from Tsumeb, Namibia


500 Dollars and Greater


Wulfenite on Mottramite from the 79 Mine, Hayden, Gila Co., Arizona