Mixed Minerals


US$    € EURO    ¥ YEN    £ POUND    CAN$    AUS$    Note

(click on a page number to go to that page:)

1 2

 page 1 / 2  -  23 specimens selected  -  next  -  bottom  -  Home 


D281 - Covellite $ 350
Leonard Mine, Butte, Silver Bow Co., Montana, USA
thumbnail - 3 x 2.9 x 2.2 cm


(click on an image to enlarge)

Covellite from Leonard Mine, Butte, Silver Bow Co., Montana, USA [db_pics/pics/D281a.jpg] Covellite from Leonard Mine, Butte, Silver Bow Co., Montana, USA [db_pics/pics/D281b.jpg] Covellite from Leonard Mine, Butte, Silver Bow Co., Montana, USA [db_pics/pics/D281c.jpg] Covellite from Leonard Mine, Butte, Silver Bow Co., Montana, USA [db_pics/pics/D281d.jpg] Covellite from Leonard Mine, Butte, Silver Bow Co., Montana, USA [db_pics/pics/D281e.jpg]

Thick crystal groups of irridecent Covellite. Can be displayed equally well from a number of directions.


D288 - Bertrandite $ 180
Akchatau Mine, Akchatau, Karaganda Region, Kazakhstan
miniature - 3.6 x 2.7 x 2.6 cm


(click on an image to enlarge)

Bertrandite from Akchatau Mine, Akchatau, Karaganda Region, Kazakhstan [db_pics/pics/D288a.jpg] Bertrandite from Akchatau Mine, Akchatau, Karaganda Region, Kazakhstan [db_pics/pics/D288b.jpg] Bertrandite from Akchatau Mine, Akchatau, Karaganda Region, Kazakhstan [db_pics/pics/D288c.jpg] Bertrandite from Akchatau Mine, Akchatau, Karaganda Region, Kazakhstan [db_pics/pics/D288e.jpg] Bertrandite from Akchatau Mine, Akchatau, Karaganda Region, Kazakhstan [db_pics/pics/D288f.jpg] Bertrandite from Akchatau Mine, Akchatau, Karaganda Region, Kazakhstan [db_pics/pics/D288h.jpg]

Rich specimen of Bertrandite associated with Quartz crystals, small Pyrite crystals, and yellow mica. The Akchatau mine is famous for purple creedite, smoky quartz and mixed specimens of purple fluorite, Apatite and Bertrandite, though specimens from this mine are not commonly seen anymore.


D291 - Clinoclase $ 380
Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA
thumbnail - 3.1 x 2 x 0.8 cm


(click on an image to enlarge)

Clinoclase from Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA [db_pics/pics/D291a.jpg] Clinoclase from Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA [db_pics/pics/D291b.jpg] Clinoclase from Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA [db_pics/pics/D291d.jpg]

Thick, solid mass of dark blue, botryoidal Clinoclase, perhaps the best example of this style I've ever seen from the Majuba Hill Mine. Ex. Rock Currier collection #3912.


D285 - Olmiite on Celestite $ 200
N'Chwanning Mine, Kuruman, South Africa
small cabinet - 5.3 x 4 x 2.5 cm


(click on an image to enlarge)

Olmiite on Celestite from N'Chwanning Mine, Kuruman, South Africa [db_pics/pics/D285a.jpg] Olmiite on Celestite from N'Chwanning Mine, Kuruman, South Africa [db_pics/pics/D285b.jpg] Olmiite on Celestite from N'Chwanning Mine, Kuruman, South Africa [db_pics/pics/D285c.jpg] Olmiite on Celestite from N'Chwanning Mine, Kuruman, South Africa [db_pics/pics/D285d.jpg] Olmiite on Celestite from N'Chwanning Mine, Kuruman, South Africa [db_pics/pics/D285e.jpg] Olmiite on Celestite from N'Chwanning Mine, Kuruman, South Africa [db_pics/pics/D285f.jpg]

Brown Olmiite crystals on a matrix of solid Celestite crystals. A fairly uncommon association, and I can find only one example on Mindat.


D286 - Shigaite on Selenite with Rhodochrosite $ 200 SOLD
N'Chwanning Mine, Kuruman, South Africa
miniature - 3.7 x 2.4 x 2 cm


(click on an image to enlarge)

Shigaite on Selenite with Rhodochrosite from N'Chwanning Mine, Kuruman, South Africa [db_pics/pics/D286a.jpg] Shigaite on Selenite with Rhodochrosite from N'Chwanning Mine, Kuruman, South Africa [db_pics/pics/D286b.jpg] Shigaite on Selenite with Rhodochrosite from N'Chwanning Mine, Kuruman, South Africa [db_pics/pics/D286c.jpg] Shigaite on Selenite with Rhodochrosite from N'Chwanning Mine, Kuruman, South Africa [db_pics/pics/D286d.jpg]

Transparent Gypsum var. Selenite (saw cut on backside) hosting numerous crystals of shiny reddish brown Shigaite. There are also a number of small Rhodochrosite crystals present.


D292 - Spessartine with Quartz $ 450
Tongbei, Fujian Prov., China
small cabinet - 6.5 x 5 x 4 cm


(click on an image to enlarge)

Spessartine with Quartz from Tongbei, Fujian Prov., China [db_pics/pics/D292a.jpg] Spessartine with Quartz from Tongbei, Fujian Prov., China [db_pics/pics/D292b.jpg] Spessartine with Quartz from Tongbei, Fujian Prov., China [db_pics/pics/D292c.jpg] Spessartine with Quartz from Tongbei, Fujian Prov., China [db_pics/pics/D292d.jpg] Spessartine with Quartz from Tongbei, Fujian Prov., China [db_pics/pics/D292e.jpg] Spessartine with Quartz from Tongbei, Fujian Prov., China [db_pics/pics/D292g.jpg]

Cluster of smokey Quartz amost entirely covered by Spessartine garnets. This was from the Jeanne Rosati collection and came with a Trinity Mineral Company label that called a psuedomorph of Spessartine after Quartz. A small amount of smokey Quartz crystal can be seen in the tips of the 3 largest 'fingers' of Spessartine. Well crystallized all around and undamaged. There is no matrix and even part of the bottom is covered by Spessartine crystals.


D283 - Quartz after Andradite $ 125 SOLD
Garnet Hill Mine, Calaveras Co., California, USA
miniature - 3.5 x 2.5 x 2 cm


(click on an image to enlarge)

Quartz after Andradite from Garnet Hill Mine, Calaveras Co., California, USA [db_pics/pics/D283a.jpg] Quartz after Andradite from Garnet Hill Mine, Calaveras Co., California, USA [db_pics/pics/D283b.jpg] Quartz after Andradite from Garnet Hill Mine, Calaveras Co., California, USA [db_pics/pics/D283c.jpg]

An Andradite garnet crystal that has been replaced by Quartz. The replacment of Andradite by Epidote is more common at this locality, and often times the crystals will be found alternating between red Andradite, green Epidote, and white Quartz all the way to the core of the crystal, like rings on a tree. Though only a partial crystal, examples of Quartz after Andradite such as this are much less common, with a 5mm thick layer of Quartz with a bit of Andradite attached to the back. Just released from the personal collection of the field collector who held this piece for many years due to it's rarity and quality.


D282 - Quartz after Andradite $ 275 SOLD
Garnet Hill Mine, Calaveras Co., California, USA
miniature - 4 x 3 x 2 cm


(click on an image to enlarge)

Quartz after Andradite from Garnet Hill Mine, Calaveras Co., California, USA [db_pics/pics/D282a.jpg] Quartz after Andradite from Garnet Hill Mine, Calaveras Co., California, USA [db_pics/pics/D282b.jpg] Quartz after Andradite from Garnet Hill Mine, Calaveras Co., California, USA [db_pics/pics/D282c.jpg]

Andradite garnet crystals that has been replaced by Quartz on an Epidote matrix. The replacment of Andradite by Epidote is more common at this locality, and often times the crystals will be found alternating between red Andradite, green Epidote, and white Quartz all the way to the core of the crystal, like rings on a tree. Examples of solid Quartz after Andradite such as this are much less common. Just released from the personal collection of the field collector who held this piece for many years due to it's rarity and quality.


K448 - Prehnite $ 175
Merelani Hills, Arusha, Tanzania
small cabinet - 5.8 x 4 x 3 cm


(click on an image to enlarge)

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K448a.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K448b.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K448c.jpg]

Individual crystals and crystal groups of translucent yellow Prehnite. Merelani Prehnite is among the best in the world, and specimens from recent finds such as this are among the best ever found at the locality. Solid Prehnite with a bit of attached Graphite on the backside. Large, gemmy crystals radiating out in all directions. The cluster is complete all around and translucent throughout. Undamaged except for one point of contact near the top.


K841 - Prehnite $ 275
Merelani Hills, Arusha, Tanzania
miniature - 4.5 x 4 x 3 cm


(click on an image to enlarge)

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K841a.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K841b.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K841c.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K841d.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K841e.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K841f.jpg]

Large toothy crystals of translucent yellow Prehnite with a thin layer of Graphite on the bottom. Merelani Prehnite is among the best in the world, and specimens from recent finds such as this are among the best ever found at the locality. Solid Prehnite with large, gemmy crystals radiating out along the top. The cluster is complete all around, translucent throughout, and undamaged.


K842 - Prehnite $ 275 SOLD
Merelani Hills, Arusha, Tanzania
thumbnail - 2.5 x 2.5 x 2.5 cm


(click on an image to enlarge)

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K842a.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K842b.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K842c.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K842d.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K842e.jpg]

Perfect spherical cluster of translucent yellow Prehnite with a thin layer of Graphite and Pyrite on the bottom. Merelani Prehnite is among the best in the world, and specimens from recent finds such as this are among the best ever found at the locality. Solid Prehnite with large, gemmy crystals radiating out in all directions. The cluster is complete all around, translucent throughout, and undamaged.


K857 - Prehnite $ 275
Merelani Hills, Arusha, Tanzania
miniature - 4 x 3.3 x 2 cm


(click on an image to enlarge)

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K857a.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K857b.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K857c.jpg]

Yellow/green Prehnite with both spherical crystal groups and individual chisel-shaped crystals. Solid, translucent Prehnite with a thin layer of Graphite on the bottom. Merelani Prehnite is among the best in the world, and specimens from recent finds such as this are among the best ever found at the locality. This style, with rounded masses that morph into chisel-tip crystals, is distinct and from finds in 2019. The cluster is translucent throughout and undamaged.


K860 - Prehnite $ 150
Merelani Hills, Arusha, Tanzania
miniature - 4.5 x 3.5 x 3 cm


(click on an image to enlarge)

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K860a-2.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K860b.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K860c.jpg]

Individual crystals and crystal groups of translucent yellow Prehnite. Merelani Prehnite is among the best in the world, and specimens from recent finds such as this are among the best ever found at the locality. Solid Prehnite with a bit of attached Graphite on the backside. Large, gemmy crystals radiating out in all directions. The cluster is complete all around and translucent throughout. Undamaged except for at the bottom where it intergrew with a Tanzanite crystal, and some bit of remaining Tanzanite are present.


D312 - Opal after Bamboo $ 325
Banten, Java, Indonesia
miniature - 4.2 x 1.5 x 1.2 cm


(click on an image to enlarge)

Opal after Bamboo from Banten, Java, Indonesia [db_pics/pics/D312a.jpg] Opal after Bamboo from Banten, Java, Indonesia [db_pics/pics/D312b.jpg] Opal after Bamboo from Banten, Java, Indonesia [db_pics/pics/D312c.jpg]

Black opal that has completely replaced a section of fossil Bamboo from recent finds in Java. It has a bright play of color (reds and greens) in areas and also shows fine detail of the former bamboo. These were found in the past 2 years and are uncommon.


D313 - Opal after Bamboo $ 500 SOLD
Banten, Java, Indonesia
miniature - 5 x 2 x 1.8 cm


(click on an image to enlarge)

Opal after Bamboo from Banten, Java, Indonesia [db_pics/pics/D313a.jpg] Opal after Bamboo from Banten, Java, Indonesia [db_pics/pics/D313b.jpg] Opal after Bamboo from Banten, Java, Indonesia [db_pics/pics/D313c.jpg] Opal after Bamboo from Banten, Java, Indonesia [db_pics/pics/D313d.jpg]

Black opal that has completely replaced a section of fossil Bamboo from recent finds in Java. It has a bright play of color (reds, blues, and greens) in areas and also shows fine detail of the former bamboo. These were found in the past 2 years and are uncommon.

(click on a page number to go to that page:)

1 2

 page 1 / 2  -  23 specimens selected  -  next  -  top  -  Home 

©2010-2018 Marin Mineral