Marin Mineral Company - Selected Specimens

Selected Specimens

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K828 - Chrome Tourmaline with Quartz, Calcite $ 225
Landani, Tanzania
thumbnail - 2 x 1.7 x 1 cm

(click on an image to enlarge)
Chrome Tourmaline with Quartz, Calcite from Landani, Tanzania [db_pics/pics/K828a.jpg]

Chrome Tourmaline with Quartz, Calcite from Landani, Tanzania [db_pics/pics/K828b.jpg]

Chrome Tourmaline with Quartz, Calcite from Landani, Tanzania [db_pics/pics/K828c.jpg]

Chrome Tourmaline with Quartz, Calcite from Landani, Tanzania [db_pics/pics/K828d.jpg]

Chrome Tourmaline with Quartz, Calcite from Landani, Tanzania [db_pics/pics/K828e.jpg]

High quality, glassy 8mm Chrome Tourmaline (Dravite) on matrix. Small specimen, but a real jewel of a Tourmaline. Undamaged crystal that is transparent with great bright green color.

K838 - Brucite $ 300
Killa Saifullah, Balochistan, Pakistan
large cabinet - 16 x 11 x 4.5 cm

(click on an image to enlarge)
Brucite from Killa Saifullah, Balochistan, Pakistan [db_pics/pics/K838a.jpg]

Brucite from Killa Saifullah, Balochistan, Pakistan [db_pics/pics/K838b.jpg]

Brucite from Killa Saifullah, Balochistan, Pakistan [db_pics/pics/K838c.jpg]

Brucite from Killa Saifullah, Balochistan, Pakistan [db_pics/pics/K838d.jpg]

Brucite from Killa Saifullah, Balochistan, Pakistan [db_pics/pics/K838e.jpg]

Large matrix Brucite specimen from recents finds of what is the world's best Brucite. These are currently abundant, but mostly as smaller specimens without matrix. Undamaged specimen with large, translucent clusters of Brucite.

K837 - Pyrite on Tetrahedrite $ 175
Casapalca Mine, Huarochiri Province, Lima, Peru
thumbnail - 3 x 2.5 x 2 cm

(click on an image to enlarge)
Pyrite on Tetrahedrite from Casapalca Mine, Huarochiri Province, Lima, Peru [db_pics/pics/K837a.jpg]

Pyrite on Tetrahedrite from Casapalca Mine, Huarochiri Province, Lima, Peru [db_pics/pics/K837b.jpg]

Pyrite on Tetrahedrite from Casapalca Mine, Huarochiri Province, Lima, Peru [db_pics/pics/K837c.jpg]

Pyrite on Tetrahedrite from Casapalca Mine, Huarochiri Province, Lima, Peru [db_pics/pics/K837d.jpg]

Cluster of Tetrahedrite crystals with coatings of Pyrite on select faces. Crystals reach 1.8cm on edge.

K831 - Grossular $ 40
Los Gavilanes, Tecate, Baja Norte, Mexico
thumbnail - 3 x 2.5 x 2 cm

(click on an image to enlarge)
Grossular from Los Gavilanes, Tecate, Baja Norte, Mexico [db_pics/pics/K831a.jpg]

Grossular from Los Gavilanes, Tecate, Baja Norte, Mexico [db_pics/pics/K831b.jpg]

Grossular from Los Gavilanes, Tecate, Baja Norte, Mexico [db_pics/pics/K831c.jpg]

Grossular from Los Gavilanes, Tecate, Baja Norte, Mexico [db_pics/pics/K831d.jpg]

Pink Grossular garnets on matrix from northern Baja California.

K882 - Calcite on Fluorite $ 450
Hardin Co., Illinois, USA
small cabinet - 6 x 4 x 3 cm

(click on an image to enlarge)
Calcite on Fluorite from Hardin Co., Illinois, USA [db_pics/pics/K882a.jpg]

Calcite on Fluorite from Hardin Co., Illinois, USA [db_pics/pics/K882b.jpg]

Calcite on Fluorite from Hardin Co., Illinois, USA [db_pics/pics/K882c.jpg]

Calcite on Fluorite from Hardin Co., Illinois, USA [db_pics/pics/K882e.jpg]

Calcite on Fluorite from Hardin Co., Illinois, USA [db_pics/pics/K882f.jpg]

Calcite on Fluorite from Hardin Co., Illinois, USA [db_pics/pics/K882g.jpg]

Calcite crystals to 2.5cm on translucent purple cubes of Fluorite. The smaller Calcites are like gems, and aside from a couple incomplete crystals on the edge, are all undamaged. This is an old piece I've owned for about 45 years.

K956 - Fergusonite $ 250
Ishikawa, Japan
thumbnail - 2.2 x 1.5 x 0.6 cm

(click on an image to enlarge)
Fergusonite from Ishikawa, Japan [db_pics/pics/K956a.jpg]

Fergusonite from Ishikawa, Japan [db_pics/pics/K956b.jpg]

Fergusonite from Ishikawa, Japan [db_pics/pics/K956c.jpg]

Well formed single crystal of Fergusonite, a rare Yttrium nobium oxide species. Single crystal complete all around and sharp for the species - a hard to find species in good crystals. A rare addtion to a thumbnail suite or Japanese collection.

K940 - Rhodochrosite with Quartz $ 1500
Uchucchacua Mine, Oyon, Peru
small cabinet - 6 x 4.5 x 3.5 cm

(click on an image to enlarge)
Rhodochrosite with Quartz from Uchucchacua Mine, Oyon, Peru [db_pics/pics/K940a.jpg]

Rhodochrosite with Quartz from Uchucchacua Mine, Oyon, Peru [db_pics/pics/K940b.jpg]

Rhodochrosite with Quartz from Uchucchacua Mine, Oyon, Peru [db_pics/pics/K940c.jpg]

Rhodochrosite with Quartz from Uchucchacua Mine, Oyon, Peru [db_pics/pics/K940d.jpg]

Rhodochrosite with Quartz from Uchucchacua Mine, Oyon, Peru [db_pics/pics/K940e.jpg]

Dense coverage of exceptionally glassy, gemmy Rhodochrosite crystals with a nice balance of accenting Quartz crystals. Undamaged, superb example.

K939 - Apophyllite $ 350
Rahuri, Maharashtra State, India
miniature - 5 x 3.5 x 2.5 cm

(click on an image to enlarge)
Apophyllite from Rahuri, Maharashtra State, India [db_pics/pics/K939a.jpg]

Apophyllite from Rahuri, Maharashtra State, India [db_pics/pics/K939b.jpg]

Apophyllite from Rahuri, Maharashtra State, India [db_pics/pics/K939c.jpg]

Colorless Apophyllite that has overgrown another tan colored Zeolite to create a 'disco ball' formation. I remeber these were available once about 5-6 years ago and I've not seen them since, this one released recently from a private collection. Sparkly and undamaged.

K943 - Galena $ 200
Sweetwater Mine, Reynolds Co., Missouri, USA
small cabinet - 6 x 4 x 4 cm

(click on an image to enlarge)
Galena from Sweetwater Mine, Reynolds Co., Missouri, USA [db_pics/pics/K943a.jpg]

Galena from Sweetwater Mine, Reynolds Co., Missouri, USA [db_pics/pics/K943b.jpg]

Galena from Sweetwater Mine, Reynolds Co., Missouri, USA [db_pics/pics/K943c.jpg]

Galena from Sweetwater Mine, Reynolds Co., Missouri, USA [db_pics/pics/K943d.jpg]

Galena from Sweetwater Mine, Reynolds Co., Missouri, USA [db_pics/pics/K943e.jpg]

Galena from Sweetwater Mine, Reynolds Co., Missouri, USA [db_pics/pics/K943f.jpg]

Single, somewhat rectangular crystal of Galena sitting upright on a small amount of matrix. Complete all around and more aesthetic than most.

K527 - Spessartine $ 650
Nani, Loliondo, Tanzania
thumbnail - 3 x 3 x 3 cm

(click on an image to enlarge)
Spessartine from Nani, Loliondo, Tanzania [db_pics/pics/K527a.jpg]

Spessartine from Nani, Loliondo, Tanzania [db_pics/pics/K527b.jpg]

Spessartine from Nani, Loliondo, Tanzania [db_pics/pics/K527c.jpg]

Complete 'citrus' orange Spessartine crystal from old finds in Tanzania. These were mostly found as partial or damaged crystals with perfect complete crystals such as this much less common. Equant form with very minimal edge wear, otherwise no damage. There are a few small areas of black Braunite inclusions, otherwise it's nothing but gemmy orange. These were often cut up into spectacular gemstones, and this one could cut a number of small gems.

K909 - Apatite with Chalcopyrite $ 125
Zacatecas, Mexico
miniature - 3.5 x 2.5 x 2.2 cm

(click on an image to enlarge)
Apatite with Chalcopyrite from Zacatecas, Mexico [db_pics/pics/K909a.jpg]

Apatite with Chalcopyrite from Zacatecas, Mexico [db_pics/pics/K909b.jpg]

Apatite with Chalcopyrite from Zacatecas, Mexico [db_pics/pics/K909c.jpg]

Apatite with Chalcopyrite from Zacatecas, Mexico [db_pics/pics/K909d.jpg]

Apatite with Chalcopyrite from Zacatecas, Mexico [db_pics/pics/K909e.jpg]

Two colorless Apatite crystals to 7mm associated with numerous Chalcopyrite crystals. Old specimen I've had for about 40 years.

K944 - Mimetite $ 400
Mt. Bonnie Mine, Northern Territory, Australia
miniature - 3.3 x 1.8 x 1.4 cm

(click on an image to enlarge)
Mimetite from Mt. Bonnie Mine, Northern Territory, Australia [db_pics/pics/K944a.jpg]

Mimetite from Mt. Bonnie Mine, Northern Territory, Australia [db_pics/pics/K944b.jpg]

Mimetite from Mt. Bonnie Mine, Northern Territory, Australia [db_pics/pics/K944c.jpg]

Mimetite from Mt. Bonnie Mine, Northern Territory, Australia [db_pics/pics/K944d.jpg]

Mimetite from Mt. Bonnie Mine, Northern Territory, Australia [db_pics/pics/K944e.jpg]

Floater specimen of Mimetite crystals attached to the sides of a small shard of Limonite matrix. The Mimetite crystals are chunky and reach 8mm in diameter.

K921 - Prehnite $ 350
Merelani Hills, Arusha, Tanzania
miniature - 3.5 x 3.3 x 3 cm

(click on an image to enlarge)
Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K921a.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K921b.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K921c.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K921d.jpg]

Formation of large, tooth-like Prehnite crystals over a small amount of Graphite. Beautiful rosette-like formation that is complete all around. Slight chipping to some crystals but in good condition overall with good color and translucency.

K936 - Quartz var. Polyhedral Agate $ 900
Paraiba, Brazil
cabinet - 13 x 8 x 9 cm

(click on an image to enlarge)
Quartz var. Polyhedral Agate from Paraiba, Brazil [db_pics/pics/K936a.jpg]

Quartz var. Polyhedral Agate from Paraiba, Brazil [db_pics/pics/K936b.jpg]

Quartz var. Polyhedral Agate from Paraiba, Brazil [db_pics/pics/K936c.jpg]

Quartz var. Polyhedral Agate from Paraiba, Brazil [db_pics/pics/K936d.jpg]

Quartz var. Polyhedral Agate from Paraiba, Brazil [db_pics/pics/K936e.jpg]

Rare polyhedral Agate from Brazil, famous for the their angular geometric shapes rather than the more typical agate form of rounded nodules. How these formed is still debated but the general consensus is that they are the result of agate forming in the space between preexisting crystals of other minerals such as gypsum, barite, or anhydrite. These were found in the 1970s and the locality that used to produce them is now under water due to the construction of a dam. This is a good large example in excellent condition.

K134 - Copper $ 350
Cliff Mine, Keweenaw Co., Michigan, USA
miniature - 4.8 x 2.3 x 1.5 cm

(click on an image to enlarge)
Copper from Cliff Mine, Keweenaw Co., Michigan, USA [db_pics/pics/k134a.jpg]

Copper from Cliff Mine, Keweenaw Co., Michigan, USA [db_pics/pics/k134b.jpg]

Copper from Cliff Mine, Keweenaw Co., Michigan, USA [db_pics/pics/k134c.jpg]

Copper from Cliff Mine, Keweenaw Co., Michigan, USA [db_pics/pics/k134d.jpg]

Copper from Cliff Mine, Keweenaw Co., Michigan, USA [db_pics/pics/k134e.jpg]

Well crystallized Copper specimen with a good patina. Comes with an old Mike Bermann label.

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

1	2	3	4	5	6	7	8	9	10	11	12
13	14	15	16	17	18	19	20	21	22	23	24
25	26	27	28	29	30	31	32	33	34	35	36
37	38	39	40	41	42	43	44	45	46	47	48
49	50	51	52	53	54	55	56	57	58	59	60
61	62	63	64	65	66	67	68	69	70	71	72
73	74	75	76	77	78	79	80	81	82	83	84
85	86	87	88	89	90	91	92	93	94	95	96
97	98	99	*100*	*101*	*102*	*103*	*104*	*105*	*106*	*107*	*108*
*109*	*110*	*111*	*112*	*113*	*114*	*115*	*116*	*117*	*118*	*119*	*120*
*121*	*122*	*123*	*124*	*125*	*126*	*127*	*128*	*129*	*130*	*131*	*132*
*133*	*134*	*135*	*136*	*137*	*138*	*139*	*140*	*141*	*142*

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