Excalibur Mineral

Back to previous page  Excalibur Mineral Corporation World leaders in the supply of rare and unusual minerals to researchers, museums and private collectors since 1974! Not just a "virtual" company, but one with real bricks and mortar, live bodies on the phone, and a inventory of over 200,000 specimens. Our in-house analytical laboratory is unique in the mineral trade!   Owner Tony Nikischer is a Director of Friends of Mineralogy, publisher of Mineral News magazine, and Chairman of the Hudson Institute of Mineralogy. The mineral nikischerite was named in his honor in 2003, and you can read more about him in Rocks and Minerals magazine, Volume 79, No. 3 (May/June 2004).   Favorite Links  Hudson Institute of Mineralogy Mineral News Magazine Excalibur Mineral Corp.   Listings To protect bidder privacy, when the price or highest bid on an item reaches or exceeds a certain level, User IDs will be displayed as anonymous names. For auction items, a bold price means at least one bid has been received. Note: Anonymous names may appear more than once and may represent different bidders. Item Start End Price Title High Bidder/Status 370187851290 Apr-14-09 Dec-10-09 11:10:41 $150.00 ACANTHITE - ARGENTITE: Freiberg, Saxony, Germany Available 370187851310 Apr-14-09 Dec-10-09 11:10:43 $50.00 AEGIRINE + RIEBECKITE: Gem Park, Fremont Co., Colorado Available 370187851328 Apr-14-09 Dec-10-09 11:10:45 $10.00 AGARDITE-(Ce) Majuba Hill Mine, Pershing Co., Nevada Available 370187851350 Apr-14-09 Dec-10-09 11:10:47 $55.00 AMETHYST: Pegmatite Nr. Mile 72, NE Windhoek, Namibia Available 370187851369 Apr-14-09 Dec-10-09 11:10:49 $75.00 ANGLESITE on GALENA: Montiponi, Sardinia, Italy Available 370187851389 Apr-14-09 Dec-10-09 11:10:51 $100.00 CUPRITE etc. - Majuba Hill, Pershing Co., Nevada Available 370187851419 Apr-14-09 Dec-10-09 11:10:53 $100.00 ARTHURITE - Majuba Hill, Pershing Co., Nevada, U.S.A. Available 370187851458 Apr-14-09 Dec-10-09 11:10:56 $18.00 ATACAMITE: Santa Catalina Mine, Sierra Gorda, Chile Available 370187851505 Apr-14-09 Dec-10-09 11:10:58 $30.00 AZURITE + QUARTZ: Brixlegg, Austria Available 370187851582 Apr-14-09 Dec-10-09 11:11:02 $70.00 AZURITE with MALACHITE - San Luis Potosi, Mexico Available 370187851628 Apr-14-09 Dec-10-09 11:11:04 $75.00 AZURITE, Mexico Available 370187851660 Apr-14-09 Dec-10-09 11:11:06 $100.00 BARITE - large xl! Hot Creek Valley, Nye Co., Nevada Available 370187851689 Apr-14-09 Dec-10-09 11:11:09 $20.00 BARITE - Regent Mine, Mineral Co., Nevada, U.S.A. Available 370187851719 Apr-14-09 Dec-10-09 11:11:10 $49.00 BARITE - Sichuan Province, Peoples Rep. of China Available 370187851745 Apr-14-09 Dec-10-09 11:11:12 $35.00 BARITE crystal group - Germany Available 370187851769 Apr-14-09 Dec-10-09 11:11:14 $100.00 BARITE: Elk Creek, South Dakota Available 370187851797 Apr-14-09 Dec-10-09 11:11:16 $65.00 BARITE: Sherman Tunnel Mine, Lake Co., Colorado Available 370187851815 Apr-14-09 Dec-10-09 11:11:18 $24.00 BERYL CRYSTAL - Lyndoch #2 Pegmatite, Bancroft, Canada Available 370187851845 Apr-14-09 Dec-10-09 11:11:20 $95.00 BERYL: Mica Lode Pegmatite, Fremont Co., Colorado Available 370187851871 Apr-14-09 Dec-10-09 11:11:22 $30.00 Blue HEMIMORPHITE: Mao Li Po, Wen Shan, Yunnan, China Available 370187851897 Apr-14-09 Dec-10-09 11:11:24 $15.00 BRUCITE in SLAG - Historic Mill, Owens Lk., California Available 370187851922 Apr-14-09 Dec-10-09 11:11:26 $60.00 CALCITE (cave type) - Paymaster Decline, Nevada Available 370187851974 Apr-14-09 Dec-10-09 11:11:31 $10.00 CALCITE with PYRITE - Isle of Sheppey, Kent, England,UK Available 370187852035 Apr-14-09 Dec-10-09 11:11:35 $200.00 CALCITE with WILLEMITE - Tsumeb Mine, Tsumeb, Namibia Available 370187852063 Apr-14-09 Dec-10-09 11:11:37 $35.00 CALCITE: Elk Creek, Meade Co., South Dakota Available 370187852082 Apr-14-09 Dec-10-09 11:11:38 $12.00 CALCITE: Green Springs Mine, White Pine Co., Nevada Available 370187852109 Apr-14-09 Dec-10-09 11:11:41 $25.00 CALCITE: Iceburg Pit, Taos City, New Mexico Available 370187852141 Apr-14-09 Dec-10-09 11:11:43 $20.00 CALCITE: La Junta, Otero Co., Colorado Available 370187852165 Apr-14-09 Dec-10-09 11:11:45 $75.00 CALCITE: Mapimi, Durango, Mexico, UNCOMMON HABIT Available 370187852209 Apr-14-09 Dec-10-09 11:11:49 $50.00 CARROLLITE - Kamoto Fond, Shaba, Congo, Africa Available 370187852243 Apr-14-09 Dec-10-09 11:11:51 $24.00 CASSITERITE: West Arm, Northern Territory, Australia. Available 370187852277 Apr-14-09 Dec-10-09 11:11:53 $45.00 CERUSSITE - Tsumeb, Namibia Available 370187852302 Apr-14-09 Dec-10-09 11:11:55 $20.00 CERUSSITE - Wilsons Shaft, Leadhills, Scotland, U.K. Available 370187852332 Apr-14-09 Dec-10-09 11:11:57 $45.00 CERVANTITE over STIBNITE on BARITE crystals from China Available 370187852380 Apr-14-09 Dec-10-09 11:12:01 $20.00 Chalcocite - Flambeau Mine, Ladysmith, Wisconsin Available 370187852400 Apr-14-09 Dec-10-09 11:12:03 $20.00 CHALCOCITE - Flambeau Mine, Ladysmith, Wisconsin, U.S.A Available 370187852428 Apr-14-09 Dec-10-09 11:12:05 $24.00 CHRYSOPRASE (QUARTZ) ¿ India Available 370187852448 Apr-14-09 Dec-10-09 11:12:07 $20.00 CINNABAR on SMITHSONITE - Coldstones Quarry, England Available 370187852515 Apr-14-09 Dec-10-09 11:12:11 $65.00 Classic HEMATITE ROSE: Canton Uri, Switzerland Available 370187852541 Apr-14-09 Dec-10-09 11:12:14 $150.00 COPPER (native) - Keweenaw Penninsula, Michigan, U.S.A. Available 370187852569 Apr-14-09 Dec-10-09 11:12:16 $40.00 CORUNDUM var. RUBY - Chit-ostrov, Kola Penn., Russia Available 370187852601 Apr-14-09 Dec-10-09 11:12:18 $15.00 CUPRITE Var. CHALCOTRICHITE: Ajo, Pima Co., Arizona Available 370187852636 Apr-14-09 Dec-10-09 11:12:20 $55.00 Cuprite w/ Malachite from Cornwall, England Available 370187852667 Apr-14-09 Dec-10-09 11:12:22 $50.00 DATOLITE: Bergen Hill, New Jersey Available 370187852703 Apr-14-09 Dec-10-09 11:12:26 $50.00 DENISONITE - Mt.Eveslogschorr,Khibiny, Kola Pen.,Russia Available 370187852730 Apr-14-09 Dec-10-09 11:12:28 $50.00 DIAMOND: Tshikapa, Kasai Province, Zaire Available 370187852748 Apr-14-09 Dec-10-09 11:12:30 $200.00 DIAMOND: Vaal River, Cape Province, RSA Available 370187852771 Apr-14-09 Dec-10-09 11:12:34 $25.00 DRAVITE TOURMALINE with QUARTZ Available 370187852795 Apr-14-09 Dec-10-09 11:12:35 $50.00 EMERALD SCHIST: Hatachtal, Austria Available 370187852815 Apr-14-09 Dec-10-09 11:12:38 $40.00 EPIDOTE: nr. Pampa Blanca, Huancavelica, Peru Available 370187852840 Apr-14-09 Dec-10-09 11:12:40 $85.00 FERROAXINITE crystal group Available 370187852873 Apr-14-09 Dec-10-09 11:12:42 $65.00 Fine crystallized RHODOCHROSITE: Huaron, Peru Available 370187852900 Apr-14-09 Dec-10-09 11:12:44 $35.00 Fluorescent calcite crystal Available 370187852957 Apr-14-09 Dec-10-09 11:12:48 $20.00 Fluorite (multi-colored) Cave in Rock, Illinois Available 370187852984 Apr-14-09 Dec-10-09 11:12:51 $60.00 Fluorite octahedrons-Dalnegorsk, Primorski Kraj, Russia Available 370187853012 Apr-14-09 Dec-10-09 11:12:53 $20.00 FLUORITE with SPHALERITE - Elmwood, Smith Co., Tennesee Available 370187853028 Apr-14-09 Dec-10-09 11:12:55 $30.00 GALENA: Reynolds Co., Missouri Available 370187853062 Apr-14-09 Dec-10-09 11:12:59 $85.00 Gemmy VANADINITE!!: Mibladen, Anti Atlas, Morocco Available 370187853090 Apr-14-09 Dec-10-09 11:13:03 $50.00 GOLD in QUARTZ: Locality Unknown Available 370187853109 Apr-14-09 Dec-10-09 11:13:05 $75.00 GROSSULAR GARNET: Jeffrey Quarry, Asbestos, Canada Available 370187853125 Apr-14-09 Dec-10-09 11:13:07 $35.00 GYPSUM variety SELENITE - Nevada Available 370187853147 Apr-14-09 Dec-10-09 11:13:09 $19.95 HANCOCKITE, HENDRICKSITE, Franklin, New Jersy Available 370187853175 Apr-14-09 Dec-10-09 11:13:11 $30.00 HEMIMORPHITE: Mao Li Po, Wen Shan, Yunnan Prov., PR Chi Available 370187853201 Apr-14-09 Dec-10-09 11:13:13 $50.00 ILVAITE with QUARTZ: Dalnegorsk, Primorki Kraj, Russia. Available 370187853224 Apr-14-09 Dec-10-09 11:13:14 $30.00 INYOITE: Lake Inder Kazakhstan Available 370187853252 Apr-14-09 Dec-10-09 11:13:17 $40.00 IRIDESCENT LIMONITE: Isle de Elba, Italy Available 370187853280 Apr-14-09 Dec-10-09 11:13:18 $40.00 KRYZHANOVSKITE - Kulan camp, Rapid Creek, Yukon, Canada Available 370187853306 Apr-14-09 Dec-10-09 11:13:20 $20.00 KYANITE, North Carolina Available 370187853387 Apr-14-09 Dec-10-09 11:13:27 $30.00 MALACHITE & CHRYSOCOLLA: Shaba Province, Congo Available 370187853403 Apr-14-09 Dec-10-09 11:13:29 $20.00 Malachite - Congo Available 370187853420 Apr-14-09 Dec-10-09 11:13:31 $21.00 MALACHITE- Bisbee, Arizona Available 370187853444 Apr-14-09 Dec-10-09 11:13:33 $20.00 Metavariscite & Variscite-Lucin Hill,Box Elder Co.,Utah Available 370187853480 Apr-14-09 Dec-10-09 11:13:36 $20.00 MICROCLINE - Wausau Peg., Marathon Co., Wisconsin Available 370187853503 Apr-14-09 Dec-10-09 11:13:39 $20.00 MICROCLINE – AMAZONITE: Pike’s Peak Area, Colorado Available 370187853526 Apr-14-09 Dec-10-09 11:13:40 $45.00 MIMETITE bright yellow botryoids-San Pedro Corralitos Available 370187853540 Apr-14-09 Dec-10-09 11:13:42 $60.00 MIMETITE rich xls - Tsumeb, Namibia, Africa Available 370187853568 Apr-14-09 Dec-10-09 11:13:45 $35.00 MIMETITE: Mt. Bonnie, Northern Territory, Australia Available 370187853592 Apr-14-09 Dec-10-09 11:13:47 $80.00 MURMANITE - Mt.Yukspor, Khibiny, Russia Available 370187853615 Apr-14-09 Dec-10-09 11:13:49 $60.00 MUSCOVITE (Rounded): Tin Mountain, South Dakota Available 370187853638 Apr-14-09 Dec-10-09 11:13:50 $30.00 MUSCOVITE Var. FUCHSITE (MARIPOSITE): Sonora, Californi Available 370187853648 Apr-14-09 Dec-10-09 11:13:52 $50.00 Neuropteris (fossil fern): Mazon Creek, Illinois Available 370187853674 Apr-14-09 Dec-10-09 11:13:54 $48.00 OPAL - firey and attractive from Australia Available 370187853710 Apr-14-09 Dec-10-09 11:13:59 $55.00 ORPIMENT CRYSTALS - Nevada Available 370187853730 Apr-14-09 Dec-10-09 11:14:00 $24.00 PECTOLITE from Paterson, New Jersey Available 370187853754 Apr-14-09 Dec-10-09 11:14:03 $10.00 PREHNITE - Loudon County, Virginia, U.S.A. Available 370187853793 Apr-14-09 Dec-10-09 11:14:04 $20.00 Prehnite - Paterson, New Jersey Available 370187853829 Apr-14-09 Dec-10-09 11:14:07 $65.00 PREHNITE, LAUMONTITE: Paterson, New Jersey Available 370187853860 Apr-14-09 Dec-10-09 11:14:09 $25.00 PYRITE pseudomorph after PYRRHOTITE Available 370187853916 Apr-14-09 Dec-10-09 11:14:11 $45.00 PYRITE wild octahedral group: Huanzala, Peru Available 370187853970 Apr-14-09 Dec-10-09 11:14:13 $26.00 PYRITE with GALENA pseudo: Freiberg, Saxony, Germany Available 370187853993 Apr-14-09 Dec-10-09 11:14:15 $60.00 PYROMORPHITE, Canada Available 370187854013 Apr-14-09 Dec-10-09 11:14:17 $15.00 PYRRHOTITE + CHALCOPYRITE: Rossland, British Columbia Available 370187854039 Apr-14-09 Dec-10-09 11:14:19 $70.00 QUARTZ - Goose Lake, Negaunee, Michigan, U.S.A. Available 370187854067 Apr-14-09 Dec-10-09 11:14:22 $35.00 QUARTZ over FLUORITE: Hermine Mine, Bavaria, Germany Available 370187854089 Apr-14-09 Dec-10-09 11:14:23 $35.00 QUARTZ pseudo¿s of calcite on CONICHALCITE: Mexico Available 370187854113 Apr-14-09 Dec-10-09 11:14:25 $40.00 QUARTZ stalactite - Rio Grande do Sul, Brazil Available 370187854155 Apr-14-09 Dec-10-09 11:14:32 $50.00 RHODOCHROSITE: Capnik, Romania Available 370187854173 Apr-14-09 Dec-10-09 11:14:34 $30.00 RHODOCHROSITE: Silverton, Colorado Available 370187854197 Apr-14-09 Dec-10-09 11:14:37 $38.00 RUBY CORUNDUM in CHROMIAN EDENITE - North Carolina Available 370187854217 Apr-14-09 Dec-10-09 11:14:39 $125.00 RUTILE CRYSTAL: Graves Mountain, Georgia Available Go see all current items for sale by this member.

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