Pseudomorphs!

Presented is a gallery of nothing but pseudomorphs.  Pseudomorphs are specimens in which one mineral is replaced by another. The shape of the original mineral remains unchanged, however properties such as color, hardness, and chemistry change to those of the replacing mineral. 


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SV262 - Amethyst pseudo. Calcite $ 120
Alacam Mine, Dursunbey, Marmara Region, Turkey
miniature - 4.2 x 3 x 3 cm


(click on an image to enlarge)

Amethyst pseudo. Calcite from Alacam Mine, Dursunbey, Marmara Region, Turkey [db_pics/pics/SV262a.jpg] Amethyst pseudo. Calcite from Alacam Mine, Dursunbey, Marmara Region, Turkey [db_pics/pics/SV262b.jpg] Amethyst pseudo. Calcite from Alacam Mine, Dursunbey, Marmara Region, Turkey [db_pics/pics/SV262c.jpg] Amethyst pseudo. Calcite from Alacam Mine, Dursunbey, Marmara Region, Turkey [db_pics/pics/SV262d.jpg]

Amethyst casts after rhombic Calcite crystals. The former Calcite crystals have dissolved away leaving angular, hollow casts of sparkling purple Quartz.


LL156 - Azurite, Malachite after Azurite $ 2500
Tsumeb, Namibia
cabinet - 11 x 6.5 x 6.5 cm


(click on an image to enlarge)

Azurite, Malachite after Azurite from Tsumeb, Namibia [db_pics/pics/LL156a.jpg] Azurite, Malachite after Azurite from Tsumeb, Namibia [db_pics/pics/LL156c.jpg] Azurite, Malachite after Azurite from Tsumeb, Namibia [db_pics/pics/LL156d.jpg] Azurite, Malachite after Azurite from Tsumeb, Namibia [db_pics/pics/LL156g.jpg] Azurite, Malachite after Azurite from Tsumeb, Namibia [db_pics/pics/LL156h.jpg] Azurite, Malachite after Azurite from Tsumeb, Namibia [db_pics/pics/LL156j.jpg]

Cluster of prismatic Azurite and Malachite after Azurite crystals with Arsentsumebite and Cerussite. I just the love the highly colorful specimens from this mine and this is a prime example of such a specimen. A very colorful mixture of blue, deep green Malachite, lighter green Arsentsumebite, and small crystals of Cerussite scattered about. Comes with an old Phil Scalisi label.


CT729 - Quartz after Selenite $ 75
Crawford, Sioux Co. Nebraska, USA
thumbnail - 3 x 2.5 x 2 cm


(click on an image to enlarge)

Quartz after Selenite from Crawford, Sioux Co. Nebraska, USA [db_pics/pics/CT729a.jpg] Quartz after Selenite from Crawford, Sioux Co. Nebraska, USA [db_pics/pics/CT729b.jpg] Quartz after Selenite from Crawford, Sioux Co. Nebraska, USA [db_pics/pics/CT729c.jpg] Quartz after Selenite from Crawford, Sioux Co. Nebraska, USA [db_pics/pics/CT729d.jpg]

Unusual pseudomorph of Quartz that has replaced a floater cluster of Gypsum var. Selenite.


LL147 - Malachite after Azurite $ 225
Touissit, Oujda, Morocco
small cabinet - 5.3 x 3.5 x 3 cm


(click on an image to enlarge)

Malachite after Azurite from Touissit, Oujda, Morocco [db_pics/pics/LL147a.jpg] Malachite after Azurite from Touissit, Oujda, Morocco [db_pics/pics/LL147b.jpg] Malachite after Azurite from Touissit, Oujda, Morocco [db_pics/pics/LL147c.jpg] Malachite after Azurite from Touissit, Oujda, Morocco [db_pics/pics/LL147d.jpg]

Two connected crystals of Malachite after Azurite pseudomorphs. Rich green with a velvety surface luster. Comes with an old Al McGuinness label.


CT777 - Hematite after Magnetite $ 200
Payun volcano, Altiplano de Payun Matru, Mendoza, Argentina
miniature - 4 x 4 x 4 cm


(click on an image to enlarge)

Hematite after Magnetite from Payun volcano, Altiplano de Payun Matru, Mendoza, Argentina [db_pics/pics/CT777a.jpg] Hematite after Magnetite from Payun volcano, Altiplano de Payun Matru, Mendoza, Argentina [db_pics/pics/CT777b.jpg] Hematite after Magnetite from Payun volcano, Altiplano de Payun Matru, Mendoza, Argentina [db_pics/pics/CT777c.jpg] Hematite after Magnetite from Payun volcano, Altiplano de Payun Matru, Mendoza, Argentina [db_pics/pics/CT777d.jpg] Hematite after Magnetite from Payun volcano, Altiplano de Payun Matru, Mendoza, Argentina [db_pics/pics/CT777f.jpg] Hematite after Magnetite from Payun volcano, Altiplano de Payun Matru, Mendoza, Argentina [db_pics/pics/CT777g.jpg]

Undamaged crystals group of Hematite pseudomorphs after octahedral magnetite crystals from the 2002 find in Argentina. Fascinating, highly sculptural specimen with bright, silvery metallic luster. Largest crystals is 2.5cm in size. Ex. Chuck Trantham collection.


CT306 - Sulfur after Selenite $ 200
Silver Peak, Esmeralda Co., Nevada, USA
thumbnail - 3 x 1.5 x 0.8 cm


(click on an image to enlarge)

Sulfur after Selenite from Silver Peak, Esmeralda Co., Nevada, USA [db_pics/pics/CT306a.jpg] Sulfur after Selenite from Silver Peak, Esmeralda Co., Nevada, USA [db_pics/pics/CT306b.jpg] Sulfur after Selenite from Silver Peak, Esmeralda Co., Nevada, USA [db_pics/pics/CT306c.jpg]

Rare and unusual pseudomorph of Sulfur that ahs replaced a well formed, terminated Selenite crystal. Ex. Chuck Trantham collection.


CT512 - Achtaragdite $ 120
Akhtaragda River mouth, Vilyui River Basin, Mirninsky District, Sakha Republic (Yakutia), Russia
thumbnail - 1.5 x 1.3 x 1.2 cm


(click on an image to enlarge)

Achtaragdite from Akhtaragda River mouth, Vilyui River Basin, Mirninsky District, Sakha Republic (Yakutia), Russia [db_pics/pics/CT512a.jpg] Achtaragdite from Akhtaragda River mouth, Vilyui River Basin, Mirninsky District, Sakha Republic (Yakutia), Russia [db_pics/pics/CT512b.jpg] Achtaragdite from Akhtaragda River mouth, Vilyui River Basin, Mirninsky District, Sakha Republic (Yakutia), Russia [db_pics/pics/CT512c.jpg] Achtaragdite from Akhtaragda River mouth, Vilyui River Basin, Mirninsky District, Sakha Republic (Yakutia), Russia [db_pics/pics/CT512d.jpg]

Achtaragdite is a rare pseudomorph of a hydrogrossular-chlorite-carbonate mineral after what is believed to be Helvite. This is a little understood psuedo likely found many decades ago at the type locality for Grossular garnet in Siberia. It is a fine example with a well formed tetrahedron of the form of the former Helvite crystal. 


CT336 - Azurite, Malachte after Azurite $ 300
Tsumeb, Namibia
small cabinet - 6.5 x 4 x 3.5 cm


(click on an image to enlarge)

Azurite, Malachte after Azurite from Tsumeb, Namibia [db_pics/pics/CT336a.jpg] Azurite, Malachte after Azurite from Tsumeb, Namibia [db_pics/pics/CT336b.jpg] Azurite, Malachte after Azurite from Tsumeb, Namibia [db_pics/pics/CT336c.jpg] Azurite, Malachte after Azurite from Tsumeb, Namibia [db_pics/pics/CT336d.jpg]

Sharp crystals of blue Azurite intermixed with green crystals of Malachite after Azurite pseudomorphs on a light matrix with additional yellow/green mineralization. Undamaged crystals with pseudomorphs that reach 2.2cm, some of which are double-terminated.


CT425 - Chlorite after Garnet $ 220
Oldman Ranch, Wyoming, USA
miniature - 5 x 4 x 3.2 cm


(click on an image to enlarge)

Chlorite after Garnet from Oldman Ranch, Wyoming, USA [db_pics/pics/CT425a.jpg] Chlorite after Garnet from Oldman Ranch, Wyoming, USA [db_pics/pics/CT425b.jpg] Chlorite after Garnet from Oldman Ranch, Wyoming, USA [db_pics/pics/CT425c.jpg] Chlorite after Garnet from Oldman Ranch, Wyoming, USA [db_pics/pics/CT425d.jpg]

Large, complete dodecahedral crystal of Chlorite after Garnet. There is an indentation on the back face, otherwise it has perfect flat faces all around. Ex. Chuck Trantham collection acquired from Dyck's Minerals in 1987.


CT376 - Malachite pseudomorphs with Turquoise $ 150
Miami, Globe-Miami Mining District, Gila Co., Arizona, USA
small cabinet - 6 x 3.5 x 3.5 cm


(click on an image to enlarge)

Malachite pseudomorphs with Turquoise from Miami, Globe-Miami Mining District, Gila Co., Arizona, USA [db_pics/pics/CT376a.jpg] Malachite pseudomorphs with Turquoise from Miami, Globe-Miami Mining District, Gila Co., Arizona, USA [db_pics/pics/CT376b.jpg] Malachite pseudomorphs with Turquoise from Miami, Globe-Miami Mining District, Gila Co., Arizona, USA [db_pics/pics/CT376c.jpg] Malachite pseudomorphs with Turquoise from Miami, Globe-Miami Mining District, Gila Co., Arizona, USA [db_pics/pics/CT376d.jpg]

Old speciemn of Malachite pseudomorphs (presumably after Azurite) with areas of Turquoise. Seldom seen specimen that comes with two old labels, one 'the Masimer collectiion' and the other is the "Schneider's' of Poway, California.


CT270 - Chrysocolla after Malachite after Azurite with Wulfenite $ 600
Whim Creek, Western Australia, Australia
small cabinet - 7 x 5.5 x 4 cm


(click on an image to enlarge)

Chrysocolla after Malachite after Azurite with Wulfenite from Whim Creek, Western Australia, Australia [db_pics/pics/CT270a.jpg] Chrysocolla after Malachite after Azurite with Wulfenite from Whim Creek, Western Australia, Australia [db_pics/pics/CT270b.jpg] Chrysocolla after Malachite after Azurite with Wulfenite from Whim Creek, Western Australia, Australia [db_pics/pics/CT270c.jpg] Chrysocolla after Malachite after Azurite with Wulfenite from Whim Creek, Western Australia, Australia [db_pics/pics/CT270d.jpg] Chrysocolla after Malachite after Azurite with Wulfenite from Whim Creek, Western Australia, Australia [db_pics/pics/CT270f.jpg]

A 3.2cm crystal of the double pseudomorph of Chrysocolla that has replaced a crystal of Malachite after Azurite. Scattered crystals of orange Wulfenite are present on the matrix.


CT229 - Bixbyite on Hematite after Garnet on Topaz $ 125
Maynard Claim, Thomas Range, Utah, USA
thumbnail - 2.3 x 1.5 x 1.3 cm


(click on an image to enlarge)

Bixbyite on Hematite after Garnet on Topaz from Maynard Claim, Thomas Range, Utah, USA [db_pics/pics/CT229a.jpg] Bixbyite on Hematite after Garnet on Topaz from Maynard Claim, Thomas Range, Utah, USA [db_pics/pics/CT229b.jpg] Bixbyite on Hematite after Garnet on Topaz from Maynard Claim, Thomas Range, Utah, USA [db_pics/pics/CT229c.jpg] Bixbyite on Hematite after Garnet on Topaz from Maynard Claim, Thomas Range, Utah, USA [db_pics/pics/CT229d.jpg]

12 mirror lustrous cubes of Bixbyite to 3mm grown atop a 1cm pseudomorph of Hematite after Garnet, all grown atop a gemmy Topaz crystal.


CT181 - Malachite after Azurite $ 160
Sacramento Mine, Bisbee, Arizona, USA
miniature - 3.5 x 2 x 2 cm


(click on an image to enlarge)

Malachite after Azurite from Sacramento Mine, Bisbee, Arizona, USA [db_pics/pics/CT181a.jpg] Malachite after Azurite from Sacramento Mine, Bisbee, Arizona, USA [db_pics/pics/CT181b.jpg] Malachite after Azurite from Sacramento Mine, Bisbee, Arizona, USA [db_pics/pics/CT181c.jpg]

Well formed replacement of Malachite after Azurite. Bisbee classic from the mine the produced the best of these. The pseudomorph is 3cm long, perfect and undamaged.


LL172 - Malachite after Azurite $ 350
Ajo, Pima Co., Arizona, USA
miniature - 5 x 4.5 x 2.5 cm


(click on an image to enlarge)

Malachite after Azurite from Ajo, Pima Co., Arizona, USA [db_pics/pics/LL172a.jpg] Malachite after Azurite from Ajo, Pima Co., Arizona, USA [db_pics/pics/LL172b.jpg] Malachite after Azurite from Ajo, Pima Co., Arizona, USA [db_pics/pics/LL172c.jpg]

Wreath-like formation of Malachite pseudomorphs after Azurite. Large, blocky undamaged crystals. A floater covered by velvety Malachite all around.


SV261 - Smithsonite after Calcite $ 400
San Antonio Mine, Santa Eulalia, Chihuahua, Mexico
cabinet - 11 x 5.5 x 4 cm


(click on an image to enlarge)

Smithsonite after Calcite from San Antonio Mine, Santa Eulalia, Chihuahua, Mexico [db_pics/pics/SV261a.jpg] Smithsonite after Calcite from San Antonio Mine, Santa Eulalia, Chihuahua, Mexico [db_pics/pics/SV261b.jpg] Smithsonite after Calcite from San Antonio Mine, Santa Eulalia, Chihuahua, Mexico [db_pics/pics/SV261c.jpg] Smithsonite after Calcite from San Antonio Mine, Santa Eulalia, Chihuahua, Mexico [db_pics/pics/SV261d.jpg]

Scalenohedral Calcite crystals that have been pseudomorphed to golden colored Smithsonite. These are unusual specimens that are no longer being found. A high quality, undamaged example of this find.

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