Marin Mineral Company - Selected Specimens

Selected Specimens

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CT685 - Quartz var. Grape Agate ~~$ 600~~ DISCOUNTED 50% OFF TO $ 300
Mamuju, Sulawesi, Indonesia
large cabinet - 20 x 10 x 8 cm

(click on an image to enlarge)
Quartz var. Grape Agate from Mamuju, Sulawesi, Indonesia [db_pics/pics/CT685a.jpg]

Quartz var. Grape Agate from Mamuju, Sulawesi, Indonesia [db_pics/pics/CT685b.jpg]

Quartz var. Grape Agate from Mamuju, Sulawesi, Indonesia [db_pics/pics/CT685c.jpg]

Quartz var. Grape Agate from Mamuju, Sulawesi, Indonesia [db_pics/pics/CT685e.jpg]

Large cluster of interconnected spheres of purple Quartz known as Grape Agate. I understand these are considered to be Amethyst. For my taste, the best Grape Agates need to have both deep purple color and sparkling luster, such as this large example.

CT656 - Heulandite with Mordenite $ 150
Amudika River, near Mirny, Yakutia, Siberia, Russia
miniature - 4.2 x 3 x 2.2 cm

(click on an image to enlarge)
Heulandite with Mordenite from Amudika River, near Mirny, Yakutia, Siberia, Russia [db_pics/pics/CT656a.jpg]

Heulandite with Mordenite from Amudika River, near Mirny, Yakutia, Siberia, Russia [db_pics/pics/CT656b.jpg]

Heulandite with Mordenite from Amudika River, near Mirny, Yakutia, Siberia, Russia [db_pics/pics/CT656d.jpg]

Bi-colored Heulandite crystal with Mordenite. A fine quality double-terminated Heulandite 2cm wide. Hard to find old specimen from Chuck Trantham personal collection.

CT658 - Heulandite with Mordenite, Calcite $ 150
Amudika River, near Mirny, Yakutia, Siberia, Russia
miniature - 3.5 x 3 x 2 cm

(click on an image to enlarge)
Heulandite with Mordenite, Calcite from Amudika River, near Mirny, Yakutia, Siberia, Russia [db_pics/pics/CT658a.jpg]

Heulandite with Mordenite, Calcite from Amudika River, near Mirny, Yakutia, Siberia, Russia [db_pics/pics/CT658b.jpg]

Heulandite with Mordenite, Calcite from Amudika River, near Mirny, Yakutia, Siberia, Russia [db_pics/pics/CT658c.jpg]

Heulandite with Mordenite, Calcite from Amudika River, near Mirny, Yakutia, Siberia, Russia [db_pics/pics/CT658e.jpg]

Bi-colored Heulandite crystal with Mordenite and Calcite crystals. A fine quality double-terminated Heulandite 2.2cm wide. Hard to find old specimen from Chuck Trantham personal collection.

B958 - Gold $ 1500
Homestake Mine, Lead, Lawrence Co., South Dakota, USA
miniature - 4.8 x 2.5 x 1.8 cm

(click on an image to enlarge)
Gold from Homestake Mine, Lead, Lawrence Co., South Dakota, USA [db_pics/pics/b958a.jpg]

Gold from Homestake Mine, Lead, Lawrence Co., South Dakota, USA [db_pics/pics/b958b.jpg]

Gold from Homestake Mine, Lead, Lawrence Co., South Dakota, USA [db_pics/pics/b958c.jpg]

Gold from Homestake Mine, Lead, Lawrence Co., South Dakota, USA [db_pics/pics/b958d.jpg]

Gold from Homestake Mine, Lead, Lawrence Co., South Dakota, USA [db_pics/pics/b958e.jpg]

Gold from Homestake Mine, Lead, Lawrence Co., South Dakota, USA [db_pics/pics/b958f.jpg]

Discovered in 1875, the Homestake Mine was a deep underground gold mine that operated until 2002. For a period, it was the largest and deepest gold mine in North America. The mine produced more than forty million troy ounces of gold during its lifetime. Despite this, Gold specimens from this mine are scarce. This specimen features multiple areas of exposed Gold in a Quartz matrix along with what are likely Arsenopyrite crystals (two old labels, one from the Hauck collection and one from Kristalle, indicate the other mineral is Sylvanite). The Gold extends all the way through the Quartz in areas. Uncommon, hard to find USA Gold specimen.

CT650 - Liddicoatite $ 1800
Anjanabonoina, Madagascar
cabinet - 12.2 x 9 x 0.4 cm

(click on an image to enlarge)
Liddicoatite from Anjanabonoina, Madagascar [db_pics/pics/CT650a.jpg]

Liddicoatite from Anjanabonoina, Madagascar [db_pics/pics/CT650b.jpg]

Liddicoatite from Anjanabonoina, Madagascar [db_pics/pics/CT650c.jpg]

Cut and polished slice of Liddicoatite (a species of Tourmaline) from old finds in Madagascar. Cut parallel to the C-axis, the slice reveals the colorful interior of what would have appeared to otherwise be a dark crystal. Triangular color zoning of greens, blues, and purple. Well polished on both sides, weighs 87.09 grams.

CT657 - Thomasite $ 120
Amudika River, near Mirny, Yakutia, Siberia, Russia
thumbnail - 2.5 x 2 x 1.7 cm

(click on an image to enlarge)
Thomasite from Amudika River, near Mirny, Yakutia, Siberia, Russia [db_pics/pics/CT657a.jpg]

Thomasite from Amudika River, near Mirny, Yakutia, Siberia, Russia [db_pics/pics/CT657b.jpg]

Thomasite from Amudika River, near Mirny, Yakutia, Siberia, Russia [db_pics/pics/CT657c.jpg]

Thomasite from Amudika River, near Mirny, Yakutia, Siberia, Russia [db_pics/pics/CT657d.jpg]

Cluster of pink Thomasite from an obscure Russian locality. Ex. Chuck Trantham collection acquired by Chuck in 1992.

CT659 - Thomasite $ 120
Amudika River, near Mirny, Yakutia, Siberia, Russia
miniature - 3.2 x 2.2 x 1.8 cm

(click on an image to enlarge)
Thomasite from Amudika River, near Mirny, Yakutia, Siberia, Russia [db_pics/pics/CT659a.jpg]

Thomasite from Amudika River, near Mirny, Yakutia, Siberia, Russia [db_pics/pics/CT659b.jpg]

Thomasite from Amudika River, near Mirny, Yakutia, Siberia, Russia [db_pics/pics/CT659c.jpg]

Thomasite from Amudika River, near Mirny, Yakutia, Siberia, Russia [db_pics/pics/CT659d.jpg]

Cluster of pink Thomasite from an obscure Russian locality. Ex. Chuck Trantham collection acquired by Chuck in 1992.

CT687 - Erythrite $ 90
Bou Azzer, Morocco
thumbnail - 2.5 x 1.3 x 1 cm

(click on an image to enlarge)
Erythrite from Bou Azzer, Morocco [db_pics/pics/CT687a.jpg]

Erythrite from Bou Azzer, Morocco [db_pics/pics/CT687b.jpg]

Erythrite from Bou Azzer, Morocco [db_pics/pics/CT687c.jpg]

Erythrite from Bou Azzer, Morocco [db_pics/pics/CT687d.jpg]

Thumbnails sized Erythrite spceimn with a good isolated crystal on matrix.

CT682 - Tetrhedrite $ 1200
Peru
miniature - 4.5 x 3.5 x 3 cm

(click on an image to enlarge)
Tetrhedrite from Peru [db_pics/pics/CT682a.jpg]

Tetrhedrite from Peru [db_pics/pics/CT682b.jpg]

Tetrhedrite from Peru [db_pics/pics/CT682c.jpg]

Tetrhedrite from Peru [db_pics/pics/CT682d.jpg]

Tetrhedrite from Peru [db_pics/pics/CT682e.jpg]

Large single Tetrahedrite, 3.5cm with some smaller attached crystals. Excellent size and undamaged with a slight coating of Chalcopyrite in areas. Ex. Chuck Trantham collection.

CT664 - Smithsonite after Dolomite $ 125
Philadelpia Mine, Rush, Marion Co., Arkansas, USA
miniature - 3.5 x 2.5 x 1.5 cm

(click on an image to enlarge)
Smithsonite after Dolomite from Philadelpia Mine, Rush, Marion Co., Arkansas, USA [db_pics/pics/CT664a.jpg]

Smithsonite after Dolomite from Philadelpia Mine, Rush, Marion Co., Arkansas, USA [db_pics/pics/CT664b.jpg]

Smithsonite after Dolomite from Philadelpia Mine, Rush, Marion Co., Arkansas, USA [db_pics/pics/CT664c.jpg]

Smithsonite after Dolomite from Philadelpia Mine, Rush, Marion Co., Arkansas, USA [db_pics/pics/CT664d.jpg]

Smithsonite after Dolomite from Philadelpia Mine, Rush, Marion Co., Arkansas, USA [db_pics/pics/CT664e.jpg]

Bright yellow crystals of Smithsonite replacing Dolomite, with the curving form of the former Dolomite crystal clearly evident. The bright color is caused by inclusions of Greenockite. Ex. Chuck Trantham collection acquired by Chuck in 1992.

CT739 - Mellite $ 275
Csordakúti Mine, Bicske-Csordakút, Bicskei District, Fejér County, Hungary
thumbnail - 3 x 2.7 x 2.2 cm

(click on an image to enlarge)
Mellite from Csordakúti Mine, Bicske-Csordakút, Bicskei District, Fejér County, Hungary [db_pics/pics/CT739a.jpg]

Mellite from Csordakúti Mine, Bicske-Csordakút, Bicskei District, Fejér County, Hungary [db_pics/pics/CT739b.jpg]

Mellite from Csordakúti Mine, Bicske-Csordakút, Bicskei District, Fejér County, Hungary [db_pics/pics/CT739c.jpg]

Mellite from Csordakúti Mine, Bicske-Csordakút, Bicskei District, Fejér County, Hungary [db_pics/pics/CT739d.jpg]

Fine single crystal of the unusual organic mineral Mellite, 2.7cm wide tip to tip, with smaller attached crystals. A seldom seen rarity that, according to Mindat, has been found in only 12 localities worldwide. It occurs as a secondary mineral in lignite deposits. The crystals are translucent, with light brown color and sharp form. Ex. Chuck Trantham collection acquired by Chuck in 1987.

A100 - Titanite with Melanite $ 150
MT Jeannes Pit No. 2, Clear Creek, San Benito Co., California, USA
small cabinet - 8 x 4.5 x 3 cm

(click on an image to enlarge)
Titanite with Melanite from MT Jeannes Pit No. 2, Clear Creek, San Benito Co., California, USA [db_pics/pics/A100a.jpg]

Titanite with Melanite from MT Jeannes Pit No. 2, Clear Creek, San Benito Co., California, USA [db_pics/pics/A100b.jpg]

Titanite with Melanite from MT Jeannes Pit No. 2, Clear Creek, San Benito Co., California, USA [db_pics/pics/A100c.jpg]

Titanite with Melanite from MT Jeannes Pit No. 2, Clear Creek, San Benito Co., California, USA [db_pics/pics/A100d.jpg]

Pink Titanite (Sphene) crystals associated with black Andradite var. Melanite. This is one of only a handful of specimens found decades ago and a true rarity for a California or San Benito Co. collector. Ex. Chuck Trantham collection, collected by Chuck and Al McGuinness in 1982.

CT712 - Titanite with Melanite $ 250
MT Jeannes Pit No. 2, Clear Creek, San Benito Co., California, USA
small cabinet - 7.5 x 7.5 x 2.5 cm

(click on an image to enlarge)
Titanite with Melanite from MT Jeannes Pit No. 2, Clear Creek, San Benito Co., California, USA [db_pics/pics/CT712a.jpg]

Titanite with Melanite from MT Jeannes Pit No. 2, Clear Creek, San Benito Co., California, USA [db_pics/pics/CT712b.jpg]

Titanite with Melanite from MT Jeannes Pit No. 2, Clear Creek, San Benito Co., California, USA [db_pics/pics/CT712c.jpg]

Titanite with Melanite from MT Jeannes Pit No. 2, Clear Creek, San Benito Co., California, USA [db_pics/pics/CT712d.jpg]

Titanite with Melanite from MT Jeannes Pit No. 2, Clear Creek, San Benito Co., California, USA [db_pics/pics/CT712e.jpg]

CT174 - Rutile $ 180
Diamantina, Minas Gerais, Brazil
thumbnail - 2 x 1.1 x 0.8 cm

(click on an image to enlarge)
Rutile from Diamantina, Minas Gerais, Brazil [db_pics/pics/CT174a.jpg]

Rutile from Diamantina, Minas Gerais, Brazil [db_pics/pics/CT174b.jpg]

Rutile from Diamantina, Minas Gerais, Brazil [db_pics/pics/CT174c.jpg]

Rutile from Diamantina, Minas Gerais, Brazil [db_pics/pics/CT174d.jpg]

Double-terminated Rutile crystal attached to another terminated Rutile crystal. Undamaged fine crystal. Ex. Chuck Trantham collection.

CT707 - Argentite with Silver $ 450
Potosi, Bolivia
miniature - 5 x 4 x 3 cm

(click on an image to enlarge)
Argentite with Silver from Potosi, Bolivia [db_pics/pics/CT707a.jpg]

Argentite with Silver from Potosi, Bolivia [db_pics/pics/CT707b.jpg]

Argentite with Silver from Potosi, Bolivia [db_pics/pics/CT707c.jpg]

Argentite with Silver from Potosi, Bolivia [db_pics/pics/CT707d.jpg]

Argentite with Silver from Potosi, Bolivia [db_pics/pics/CT707e.jpg]

Silver wires in vugs all over specimen. There are also some unidentified elongated crystals in the vugs. Ex. Chuck Trantham collection.

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