|
|
|
Ma…Mi
|
Magnesiokatophorite

Mineral # 436 Available
Magnesiokatophorite as black crystals to about 1 cm., from the classic Kipawa River occurrence, Kipawa alkaline complex, Sheffield Lake, Villedieu Township, Témiscamingue Co., Quebec, Canada. Collected about 1972 by Gary Ansell, GSC. Includes original GSC label.
This specimen measures about 4.2 cm x 2.2 cm x 2.5 cm.
Magnesiokatophorite # 436 – Price: $US 75.
|
Magnetite




Mineral # 395 Available
Super aesthetic! — well defined Magnetite as black dodecahedral crystals to about 1 cm+, with sharp pyrite pseudo octahedra; from the famous Brosso Mines, Ivrea, Italy. Collected before 1981. The first photo shows the whole specimen which is more or less "L"-shaped. The last picture shows the bottom of the specimen which normally serves as a built-in foot.
This specimen measures about 5.5 cm x 3.5 cm x 5.2 cm.
Magnetite # 395 – Price: $US 395.
|
Malachite

Mineral # 578 Available
Malachite as acicular green crystals in vugs, with accessory quartz and a manganese compound, from Suttrop, Germany. Collected 1965.
This specimen measures about 3.2 cm x 2 cm x 1.1 cm.
McGuinnessite # 578 – Price: $US 50.
|
Marcasite


Mineral # 618 Available
Marcasite as a dark grey-green coating of micro crystals in vug, with accessory dawsonite, fluorite, sabinaite, from the no-longer accessible Francon Quarry, St. Michel, Montreal, Quebec, Canada . Collected before 1980. XRD A.S. GSC.
This specimen measures about 8.5 cm x 6.5 cm x 3.0 cm.
Marcasite # 618 – Price: $US 40.
|
McGuinnessite

Mineral # 175 Available
McGuinnessite as a turquoise blue micro crystalline coating and as spherules, from Red Mountain, Mendocino Co., California, USA. Confirmed by XRD and probe by Stenson and Traill of the GSC. Collected 1977.
This specimen measures about 5.8 cm x 4 cm x 3 cm.
McGuinnessite # 175 – Price: $US 45.
|
Melanophlogite

Mineral # 522 Available
Unusual, melanophlogite, as colorless, water-clear spherules to ca. 1.5 mm, from Fortullino, Livorno, Italy; collected before 1980. A nice rich thumbnail specimen.
This specimen measures about 2.5 cm x 1.8 cm x 1.6 cm.
Melanophlogite # 522 – Price: $US 50.
|
Melanophlogite

Mineral # 523 Available
Unusual, melanophlogite, as a single colorless, water-clear spherule with an inclusion ca. 1.3 mm, from Fortullino, Livorno, Italy; collected before 1980.
This specimen measures about 3.3 cm x 2.4 cm x 1.2 cm.
Melanophlogite # 523 – Price: $US 25.
|
Melanophlogite


Mineral # 524 Available
Unusual, melanophlogite, as colorless, water-clear spherules to ca. 3.5 mm, from Fortullino, Livorno, Italy; collected before 1980. A rich miniature.
This specimen measures about 5.0 cm x 2.5 cm x 1.8 cm.
Melanophlogite # 524 – Price: $US 100.
|
Mendipite

Mineral # 288 Available
Rare, beige fibrous crystalline mass, from Merehead Quarry, Shepton Mallet, Mendip Hills, Somerset, England. A unique piece, from a famous locality, collected before 1976.
This specimen measures about 4 cm x 3.2 cm x 3.2 cm.
Mendipite # 288 – Price: $US 60.
|
Meneghinite


Mineral # 376 Available
Gray metallic, acicular Meneghinite to 8 mm; accessory quartz +++. From the type locality, the ancient Bottino Mine, Ruosina, Lucca, Italy; collected before 1979.
This specimen measures about 6.5 cm x 4.5 cm x 3.1 cm.
Meneghinite # 376 – Price: $US 100.
|
Metacinnabar

Mineral # 177 Available
Metacinnabar subhedral micro crystals from the Mount Diablo Mine, Contra Costa Co., California, USA. Accessories include mercury, calcite, cinnabar on quartz. Collected before 1978.
This specimen measures about 4 cm x 2.6 cm x 1.3 cm.
Metacinnabar # 177 – Price: $US 25.
|
Metavivianite

Mineral # 444 Available
Outstanding Metavivianite as yellow-green plates, from Rapid Creek, Yukon Territory, Canada; GR 197002. Accessories include gormanite, siderite, Apatite, quartz et al. Collected 1979 Paddy Collins.
This specimen measures about 6.0 cm x 3.3 cm x 1.5 cm.
Metavivianite # 444 – Price: $US 495.
|
Metavivianite

Mineral # 445 Available
Fine Metavivianite as olive-green plates, from Rapid Creek, Yukon Territory, Canada; GR 197002. Accessories include childrenite, siderite, wardite, quartz, lazulite et al. Collected 1979 Paddy Collins.
This specimen measures about 4.7 cm x 4.2 cm x 2.1 cm.
Metavivianite # 445 – Price: $US 150.
|
Metazeunerite

Mineral # 195 Available
Metazeunerite sharp, bright, grass-green micro crystals filling cavities in quartz and limonite matrix, from the Wheal Edward, St. Just, Cornwall, England. Collected before 1976, from Richard Barstow Oct. 1976.
This attractive specimen measures about 6 cm x 4.5 cm x 3.5 cm.
Metazeunerite # 195 – Price: $US 75.
|
Millerite


Mineral # 224 Available
Acicular Millerite from now closed Hwy 27 cut, Halls Gap, Lincoln Co., Kentucky, USA. A very rich piece with accessory quartz. Collected before 1979.
This specimen measures about 4.5 cm x 2.4 cm x 3 cm.
Millerite # 224 – Price: $US 75.
|
Millerite

Mineral # 412 Available
Millerite as seldom found – as a solid vein showing nice perfect cleavages, originally cutting chalcopyrite. From the 1080 foot level, INCO Levack West Mine, Levack (near Sudbury), Ontario, Canada. Collected 30 June, 1976.
This specimen measures about 2.7 cm x 2.4 cm x 1.3 cm.
Millerite # 412 – Price: $US 75.
|
Millerite

Mineral # 382 Available
Millerite as seldom found – as a solid vein showing nice perfect cleavages, originally cutting chalcopyrite. From the 1080 foot level, INCO Levack West Mine, Levack (near Sudbury), Ontario, Canada. Collected 30 June, 1976.
This specimen measures about 2.5 cm x 1.2 cm x 1.2 cm. Includes a second smaller piece ca. 1 x 1 x 1 cm.
Millerite # 382 – Price: $US 50.
|
Millerite

Mineral # 383 Available
Millerite as seldom found – as a solid vein showing nice perfect cleavages, originally cutting chalcopyrite. From the 1080 foot level, INCO Levack West Mine, Levack (near Sudbury), Ontario, Canada. Collected 30 June, 1976.
This specimen measures about 4.0 cm x 2.5 cm x 1.4 cm. Includes a second smaller nice cleavage piece ca. 1 x 1 x 1 cm.
Millerite # 383 – Price: $US 60.
|
Mimetite var. Campylite

Mineral # 179 Available
Mimetite var. Campylite from Dry Gill Mine, Caldbeck Fells, Co. Cumberland, England. Accessory coronadite. Collected before 1976.
This specimen measures about 6 cm x 6 cm x 3 cm.
Mimetite var. Campylite # 179 – Price: $US 95.
|
Mimetite


 Mineral # 325 Available
Interesting; attractive, colorless to honey-colored fan- or sheaf-like crystal aggregates of mimetite up to about 5 mm; from the Tsumeb Mine, Tsumeb, Namibia. Accessories include quartz and dolomite crystals, plus some others. Both sides are different, but equally interesting, especially under the microscope. This is an older specimen, obtained from Prosper Williams, October, 1978.
This specimen measures about 5.4 cm x 4.5 cm x 2.9 cm.
Mimetite # 325 – Price: $US 185.
|
E-mail to order:
Copyright © 2004-2010

|