Selected Specimens

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CT453 - Tourmaline with Lepidolite $ 3800
Pederniera Mine, Minas Gerais, Brazil
cabinet - 9.5 x 2.5 x 2.5 cm


(click on an image to enlarge)

Tourmaline with Lepidolite from Pederniera Mine, Minas Gerais, Brazil [db_pics/pics/CT453a.jpg] Tourmaline with Lepidolite from Pederniera Mine, Minas Gerais, Brazil [db_pics/pics/CT453b.jpg] Tourmaline with Lepidolite from Pederniera Mine, Minas Gerais, Brazil [db_pics/pics/CT453d.jpg] Tourmaline with Lepidolite from Pederniera Mine, Minas Gerais, Brazil [db_pics/pics/CT453f.jpg] Tourmaline with Lepidolite from Pederniera Mine, Minas Gerais, Brazil [db_pics/pics/CT453j.jpg] Tourmaline with Lepidolite from Pederniera Mine, Minas Gerais, Brazil [db_pics/pics/CT453k.jpg]

Double-terminated cluster of 'Indicolite' with deep blue color. One end shows cat's-eye growth and has an attached cluster of Lepidolite. Complete and undamaged. Weighs 76.3 grams.


CT460 - Ruby $ 350
Mogok, Myanmar
thumbnail - 1 x 0.9 x 0.4 cm


(click on an image to enlarge)

Ruby from Mogok, Myanmar [db_pics/pics/CT460a.jpg] Ruby from Mogok, Myanmar [db_pics/pics/CT460b.jpg] Ruby from Mogok, Myanmar [db_pics/pics/CT460c.jpg]

Uncommon (for Mogok) tabular Ruby crystal, translucent with good color.


CT346 - Quartz with Calcite $ 150
Bog Mine, American Fork Mining District, Wasatch Mountains, Utah Co., Utah, USA
small cabinet - 6 x 5 x 3 cm


(click on an image to enlarge)

Quartz with Calcite from Bog Mine, American Fork Mining District, Wasatch Mountains, Utah Co., Utah, USA [db_pics/pics/CT346a.jpg] Quartz with Calcite from Bog Mine, American Fork Mining District, Wasatch Mountains, Utah Co., Utah, USA [db_pics/pics/CT346b.jpg] Quartz with Calcite from Bog Mine, American Fork Mining District, Wasatch Mountains, Utah Co., Utah, USA [db_pics/pics/CT346c.jpg] Quartz with Calcite from Bog Mine, American Fork Mining District, Wasatch Mountains, Utah Co., Utah, USA [db_pics/pics/CT346d.jpg] Quartz with Calcite from Bog Mine, American Fork Mining District, Wasatch Mountains, Utah Co., Utah, USA [db_pics/pics/CT346e.jpg]

Skeletal Quartz crystals and scalenohedral yellow Calcite crystals from an obscure former mine in the Wasatch Mountains. The Quartz cluster is complete and undamaged. Rare old specimen from the Chuck Trantham collection.


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 psuedomorphs on a light matrix with additional yellow/green mineralization. Undamaged crystals with psuedomorphs that reach 2.2cm, some of which are double-terminated.


CT415 - Joaquinite with Neptunite $ 150
Gem Mine, San Benito Co., California, USA
small cabinet - 7.5 x 4.5 x 2.8 cm


(click on an image to enlarge)

Joaquinite with Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/CT415a.jpg] Joaquinite with Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/CT415b.jpg] Joaquinite with Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/CT415e.jpg] Joaquinite with Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/CT415f.jpg]

Schist matrix covered by dozens of small tan crystals of Joaquinite, and likely many more present under the areas of white Natrolite. There are also a few black Neptunite crystals in association.


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. 


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.


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.


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.


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
Twin Lakes Limestone deposit, Lower Twin Lake, Twin Lakes, Fresno Co., California, USA
small cabinet - 5.2 x 4 x 1.3 cm


(click on an image to enlarge)

Spinel with Pargasite from Twin Lakes Limestone deposit, Lower Twin Lake, Twin Lakes, Fresno Co., California, USA [db_pics/pics/CT401a.jpg] Spinel with Pargasite from Twin Lakes Limestone deposit, Lower Twin Lake, Twin Lakes, Fresno Co., California, USA [db_pics/pics/CT401b.jpg] Spinel with Pargasite from Twin Lakes Limestone deposit, Lower Twin Lake, Twin Lakes, Fresno Co., California, USA [db_pics/pics/CT401c.jpg] Spinel with Pargasite from Twin Lakes Limestone deposit, Lower Twin Lake, Twin Lakes, 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. Chuck's label indicates locality as 'Locality 2, Twin Lakes area, Fresno Co., California, USA'.


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.
(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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