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Pseudomorph Mineral Specimens
Pseudomorphs = False Form

Below is a gallery of  Pseudomorph mineral specimens for sale from John Betts - Fine Minerals in New York City, NY. Pseudomorphs are mineral specimens where a mineral has taken the form of a previously deposited mineral. Sounds simple, but the processes are diverse and elaborate. Some are created when a second mineral grows over another, then the original dissolves away. Some are replaced molecule by molecule, or atom by atom, until the second mineral has the exact shape of the original mineral. Sometimes a mold is made of the first mineral by a second mineral growing over it, then the original dissolves, then a third mineral fills the void, and finally the second mineral dissolves. Suffice it to say you could collect just pseudomorphs and have an endless variety of specimens. Common pseudomorphs include: Copper pseudomorph after Azurite, Descloizite pseudomorph after Cerussite, Malachite pseudomorph after Azurite, Malachite pseudomorph after Cuprite, Prehnite pseudomorph after Laumontite, Pyrolusite pseudomorph after Manganite, Stibiconite pseudomorph after Stibnite, Strontianite pseudomorph after Celetite. To purchase mineral specimens, go to the online order form.

 Sizes: (t) = Thumbnail, (m) = Miniature, (c) = Cabinet, (lc) = Large Cabinet

Quartz pseudomorphs after Fluorite from Slope Mountain, Intervale, Carroll County, New Hampshire
#45499, Quartz pseudomorphs after Fluorite, Slope Mountain, Chatham, New Hampshire (m) $42

Quartz pseudomorph after Anhydrite from Prospect Park Quarry, Prospect Park, Passaic County, New Jersey
#46346, Quartz pseudomorph after Anhydrite, Prospect Park Quarry, New Jersey (m) $40

Prehnite pseudomorph after Anhydrite from Upper New Street Quarry, Paterson, Passaic County, New Jersey
#46347, Prehnite pseudomorph after Anhydrite, Upper New Street Quarry, New Jersey (m) $40

Laumontite and Heulandite pseudomorph after Pectolite with Stilbite from Prospect Park Quarry, Prospect Park, Passaic County, New Jersey
#45856, Laumontite and Heulandite pseudomorph after Pectolite with Stilbite, Prospect Park Quarry, New Jersey (c) $225

Malachite pseudomorphs after Azurite from New Cornelia Mine, Ajo, Pima County, Arizona
#46041, Malachite pseudomorphs after Azurite, New Cornelia Mine, Ajo, Arizona (c) $350

Prehnite epimorph after Anhydrite with Calcite, Phillipsite from McBride Avenue & Browertown Road Pumping Station, West Paterson, Passaic County, New Jersey
#45857, Prehnite epimorph after Anhydrite with Calcite, Phillipsite, McBride Avenue & Browertown Road Pumping Station, New Jersey (m) $75

Quartz pseudomorphs after Natrolite, Stilbite from Stafford Springs, Tolland County, Connecticut
#45639, Quartz pseudomorphs after Natrolite, Stilbite, Stafford Springs, Connecticut (t) $28

Chrysocolla pseudomorph after Malachite from Planet Mine, La Paz County, Arizona
#44913, Chrysocolla pseudomorph after Malachite, Planet Mine, Arizona (m) $75

Prehnite pseudomorphs after Anhydrite from Prospect Park Quarry, Prospect Park, Passaic County, New Jersey
#46201, Prehnite pseudomorphs after Anhydrite, Prospect Park Quarry, New Jersey (c) $65

Azurite with Malachite pseudomorphs after Cuprite from Copper Queen Mine, Bisbee, Cochise County, Arizona
#46045, Azurite with Malachite pseudomorphs after Cuprite, Copper Queen Mine, Bisbee, Arizona (m) $350

Prehnite pseudomorphs after Anhydrite from Prospect Park Quarry, Prospect Park, Passaic County, New Jersey
#46193, Prehnite pseudomorphs after Anhydrite, Prospect Park Quarry, New Jersey (c) $85

Azurite and Malachite with Malachite pseudomorphs after Cuprite from Bisbee, Cochise County, Arizona
#41789, Azurite and Malachite with Malachite pseudomorphs after Cuprite, Bisbee, Arizona (c) $4750

Quartz pseudomorph after Calcite or Anhydrite from Castelinho Mine, near Frederico Westphalen, Alto Uruguai, Rio Grande do Sul, Brazil
#46544, Quartz pseudomorph after Calcite or Anhydrite, Castelinho Mine, near Frederico Westphalen, Brazil (lc) $95

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John Betts - Fine Minerals, New York, NY  212-678-1942
a division of allminerals.com, dealer of Fine Minerals and Natural Crystal Clusters since 1989.