Selected Specimens

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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. 


CT506 - Nissonite $ 75
Llanada Copper Mine, Panoche, San Benito Co., California, USA
small cabinet - 5.5 x 3 x 1 cm


(click on an image to enlarge)

Nissonite from Llanada Copper Mine, Panoche, San Benito Co., California, USA [db_pics/pics/CT506a.jpg] Nissonite from Llanada Copper Mine, Panoche, San Benito Co., California, USA [db_pics/pics/CT506b.jpg] Nissonite from Llanada Copper Mine, Panoche, San Benito Co., California, USA [db_pics/pics/CT506d.jpg]

Blue//green Nissonite, a rare phosphate mineral, on matrix from the type locality. Ex. Chuck Trantham collection. From MINDAT: Named for William H. Nisson (1912–1965), amateur mineralogist, mineral collector and dealer, of Petaluma, California, USA, who first noted the mineral.


CT462 - Vaugnatite $ 150
Copper King Mine, Red Mountain, Mendocino Co., California, USA
small cabinet - 7.2 x 2.5 x 2 cm


(click on an image to enlarge)

Vaugnatite from Copper King Mine, Red Mountain, Mendocino Co., California, USA [db_pics/pics/CT462a.jpg] Vaugnatite from Copper King Mine, Red Mountain, Mendocino Co., California, USA [db_pics/pics/CT462b.jpg] Vaugnatite from Copper King Mine, Red Mountain, Mendocino Co., California, USA [db_pics/pics/CT462c.jpg]

Glassy, colorless/white orthorhombic crystals of vuagnatite, a rare silicate mineral, on matrix. Collected by Chuck Trantham in 1982 and valued at that time at $100.


CT406 - Vaugnatite $ 200
Copper King Mine, Red Mountain, Mendocino Co., California, USA
small cabinet - 6 x 5 x 2.5 cm


(click on an image to enlarge)

Vaugnatite from Copper King Mine, Red Mountain, Mendocino Co., California, USA [db_pics/pics/CT406a.jpg] Vaugnatite from Copper King Mine, Red Mountain, Mendocino Co., California, USA [db_pics/pics/CT406b.jpg] Vaugnatite from Copper King Mine, Red Mountain, Mendocino Co., California, USA [db_pics/pics/CT406c.jpg]

Glassy, colorless/white orthorhombic crystals of vuagnatite, a rare silicate mineral, on matrix. Collected by Chuck Trantham in 1982. His old label shows a price of $200.


CT304 - Meta-Tuyamunite $ 40
Shirley Basin, Carbon Co., Wyoming, USA
miniature - 3.5 x 2.5 x 1.5 cm


(click on an image to enlarge)

Meta-Tuyamunite from Shirley Basin, Carbon Co., Wyoming, USA [db_pics/pics/CT304a.jpg] Meta-Tuyamunite from Shirley Basin, Carbon Co., Wyoming, USA [db_pics/pics/CT304b.jpg] Meta-Tuyamunite from Shirley Basin, Carbon Co., Wyoming, USA [db_pics/pics/CT304c.jpg]

Yellow Meta-Tuyamunite, a rare uranium mineral in the Carnotite group of minerals, on matrix. Ex. Chuck Trantham collection.


CT458 - Pyrargyrite $ 280
Fresnillo, Zacatecas, Mexico
thumbnail - 2.2 x 1.8 x 1.5 cm


(click on an image to enlarge)

Pyrargyrite from Fresnillo, Zacatecas, Mexico [db_pics/pics/CT458a.jpg] Pyrargyrite from Fresnillo, Zacatecas, Mexico [db_pics/pics/CT458b.jpg] Pyrargyrite from Fresnillo, Zacatecas, Mexico [db_pics/pics/CT458c.jpg] Pyrargyrite from Fresnillo, Zacatecas, Mexico [db_pics/pics/CT458d.jpg] Pyrargyrite from Fresnillo, Zacatecas, Mexico [db_pics/pics/CT458e.jpg]

Cluster of diverging Pyrargyrite crystals. Largest crystal is 9mm thick. These are sometimes refered to as 'ruby silver' due to the silver content of the mineral and the deep red coloration.


CT459 - Pyrargyrite $ 350
Fresnillo, Zacatecas, Mexico
thumbnail - 2 x 1.5 x 1.5 cm


(click on an image to enlarge)

Pyrargyrite from Fresnillo, Zacatecas, Mexico [db_pics/pics/CT459a.jpg] Pyrargyrite from Fresnillo, Zacatecas, Mexico [db_pics/pics/CT459b.jpg] Pyrargyrite from Fresnillo, Zacatecas, Mexico [db_pics/pics/CT459c.jpg] Pyrargyrite from Fresnillo, Zacatecas, Mexico [db_pics/pics/CT459d.jpg]

Cluster of diverging Pyrargyrite crystals. Largest crystal is 9mm thick. The crystals are translucent red when backlit. These are sometimes refered to as 'ruby silver' due to the silver content of the mineral and the deep red coloration. Undamaged and well crystallized all around.


CT505 - Hemimorphite $ 225
79 Mine, Gila Co., Arizona, USA
small cabinet - 5.3 x 4.7 x 3 cm


(click on an image to enlarge)

Hemimorphite from 79 Mine, Gila Co., Arizona, USA [db_pics/pics/CT505a.jpg] Hemimorphite from 79 Mine, Gila Co., Arizona, USA [db_pics/pics/CT505b.jpg] Hemimorphite from 79 Mine, Gila Co., Arizona, USA [db_pics/pics/CT505c.jpg]

Vug completely filled by radial masses of light blue Hemimorphite crystals. Ex. Chuck Trantham collection. Undamaged.


K197 - Prehnite $ 650
Merelani Hills, Arusha, Tanzania
small cabinet - 8 x 5.5 x 4 cm


(click on an image to enlarge)

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K197a.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K197b.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K197c.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K197d.jpg]

Large, thick translucent crystals of yellow Prehnite. This is a great cluster of crystals with top color and crystal form. Despite a bit of chipping, it represents the best of Merelani Prehnite, considered among the best in the world.


CT456 - Morganite on Quartz $ 350
Minas Gerais, Brazil
small cabinet - 7.5 x 6 x 5.5 cm


(click on an image to enlarge)

Morganite on Quartz from Minas Gerais, Brazil [db_pics/pics/CT456a.jpg] Morganite on Quartz from Minas Gerais, Brazil [db_pics/pics/CT456b.jpg] Morganite on Quartz from Minas Gerais, Brazil [db_pics/pics/CT456c.jpg] Morganite on Quartz from Minas Gerais, Brazil [db_pics/pics/CT456d.jpg] Morganite on Quartz from Minas Gerais, Brazil [db_pics/pics/CT456e.jpg]

Colorless Quartz crystals with attached Morganite. The Morganite are etched with glassy luster, transparent, with a pink coloration. Ex. Chuck Trantham personal collection with label.


CT467 - Calcite on Amethyst $ 275
Valencia Mine, Guanajuato, Mexico
small cabinet - 9 x 8.5 x 3 cm


(click on an image to enlarge)

Calcite on Amethyst from Valencia Mine, Guanajuato, Mexico [db_pics/pics/CT467a.jpg] Calcite on Amethyst from Valencia Mine, Guanajuato, Mexico [db_pics/pics/CT467b.jpg] Calcite on Amethyst from Valencia Mine, Guanajuato, Mexico [db_pics/pics/CT467c.jpg] Calcite on Amethyst from Valencia Mine, Guanajuato, Mexico [db_pics/pics/CT467e.jpg] Calcite on Amethyst from Valencia Mine, Guanajuato, Mexico [db_pics/pics/CT467f.jpg]

White Calcite crystals atop Amethyst crystals. The Calcite crystals are hollow.


CT401 - Spinel with Pargasite $ 280
Locality 2, Twin Lakes area, Fresno Co., California, USA
small cabinet - 5.2 x 4 x 1.3 cm


(click on an image to enlarge)

Spinel with Pargasite from Locality 2, Twin Lakes area, Fresno Co., California, USA [db_pics/pics/CT401a.jpg] Spinel with Pargasite from Locality 2, Twin Lakes area, Fresno Co., California, USA [db_pics/pics/CT401b.jpg] Spinel with Pargasite from Locality 2, Twin Lakes area, Fresno Co., California, USA [db_pics/pics/CT401c.jpg] Spinel with Pargasite from Locality 2, Twin Lakes area, Fresno Co., California, USA [db_pics/pics/CT401d.jpg]

Well formed, translucent octahedrons of blue Spinel to 4mm in size associated with brown Pargasite crystals. Sawcut on back. Collected by Chuck Trantham and Al McGuinness in 1986.


CT510 - Heulandite on Quartz $ 220
Prospect Park, New Jersey, USA
miniature - 4 x 2.8 x 2.5 cm


(click on an image to enlarge)

Heulandite on Quartz from Prospect Park, New Jersey, USA [db_pics/pics/CT510a.jpg] Heulandite on Quartz from Prospect Park, New Jersey, USA [db_pics/pics/CT510b.jpg] Heulandite on Quartz from Prospect Park, New Jersey, USA [db_pics/pics/CT510c.jpg] Heulandite on Quartz from Prospect Park, New Jersey, USA [db_pics/pics/CT510d.jpg]

Large, fine quality Heulandite crystal atop drusy Quartz crystals. Ex. Chuck Trantham collection. Old label indicates it was purchased by Chuck from Frazier's minerals in 1991 and was formerly in the collection of Paul Patchick (#1102). Complete and undamaged.


CT482 - Rhodochrosite $ 125
Cananea, Sonora, Mexico
thumbnail - 3 x 2 x 1.7 cm


(click on an image to enlarge)

Rhodochrosite from Cananea, Sonora, Mexico [db_pics/pics/CT482a.jpg] Rhodochrosite from Cananea, Sonora, Mexico [db_pics/pics/CT482b.jpg] Rhodochrosite from Cananea, Sonora, Mexico [db_pics/pics/CT482c.jpg] Rhodochrosite from Cananea, Sonora, Mexico [db_pics/pics/CT482d.jpg]

Pink Rhodochrosite crystals on matrix. Ex. Chuck Trantham collection. Old label indicates it was purchased by Chuck at an estate sale in Atherton, California in 1999.


CT545 - Bornite $ 300
Butte, Silver Bow Co., Montana, USA
miniature - 3.7 x 2.5 x 1.5 cm


(click on an image to enlarge)

Bornite from Butte, Silver Bow Co., Montana, USA [db_pics/pics/CT545a.jpg] Bornite from Butte, Silver Bow Co., Montana, USA [db_pics/pics/CT545b.jpg] Bornite from Butte, Silver Bow Co., Montana, USA [db_pics/pics/CT545c.jpg]

Large single Bornite crystal with attached Pyrite crystals. Ex. Chuck Trantham collection, acquired by Chuck in June 1976.
(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

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