Selected Specimens

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T752 - Cuprite on Malachite $ 450
Ongonja Mine, Seeis, Namibia
miniature - 3.9 x 3 x 2.7 cm


Cuprite on Malachite from Ongonja Mine, Seeis, Namibia [db_pics/pics/t752a.jpg] Cuprite on Malachite from Ongonja Mine, Seeis, Namibia [db_pics/pics/t752b.jpg] Cuprite on Malachite from Ongonja Mine, Seeis, Namibia [db_pics/pics/t752c.jpg] Cuprite on Malachite from Ongonja Mine, Seeis, Namibia [db_pics/pics/t752d.jpg]

Highly aesthetic specimen of a large single crystal of Malachite with attached octahedra of Cuprite. The Malachite has spherical indentations on the front and backside with a broad, flat termination. The locality is believed to be Ongonja, but it is possible it could be Katanga. Undamaged.


T753 - Prehnite $ 400
Merelani Hills, Arusha, Tanzania
thumbnail - 2.1 x 2.1 x 2.1 cm


Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/t753a.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/t753b.jpg] Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/t753c.jpg]

Bright lemon yellow sphere of Prehnite. This was the best thumbnail from the original find of approximately 10 years ago. Transparent and gemmy, complete all around with the contact at the base. This was in the Jon Sigerman collection and is offered here at the same price Jon paid many years ago.


T761 - Apatite $ 400
Pea Ridge Mine, Sullivan, Missouri, USA
miniature - 4 x 3 x 3 cm
ex.  Irv Brown


Apatite from Pea Ridge Mine, Sullivan, Missouri, USA [db_pics/pics/t761a.jpg] Apatite from Pea Ridge Mine, Sullivan, Missouri, USA [db_pics/pics/t761b.jpg] Apatite from Pea Ridge Mine, Sullivan, Missouri, USA [db_pics/pics/t761c.jpg]

Large single Apatite crystal with drusy Quartz and Chalcopyrite on one side. Undamaged and as good as I've ever seen for one of these.


T763 - Aquamarine $ 900
Skardu District, Pakistan
miniature - 4.3 x 2.5 x 2 cm
ex.  Irv Brown


Aquamarine from Skardu District, Pakistan [db_pics/pics/t763a.jpg] Aquamarine from Skardu District, Pakistan [db_pics/pics/t763b.jpg] Aquamarine from Skardu District, Pakistan [db_pics/pics/t763c.jpg] Aquamarine from Skardu District, Pakistan [db_pics/pics/t763d.jpg]

Glassy and gemmy etched Aquamarine crystal. Natural processes in the pegmatite have partially dissolved the crystal leaving this fully crystallized, undamaged gem with oustanding form.


T766 - Rhodochrosite with Fluorite $ 600
Sunnyside Mine, Silverton, Colorado, USA
miniature - 4.8 x 3.9 x 3.5 cm
ex.  Irv Brown


Rhodochrosite with Fluorite from Sunnyside Mine, Silverton, Colorado, USA [db_pics/pics/t766a.jpg] Rhodochrosite with Fluorite from Sunnyside Mine, Silverton, Colorado, USA [db_pics/pics/t766b.jpg] Rhodochrosite with Fluorite from Sunnyside Mine, Silverton, Colorado, USA [db_pics/pics/t766c.jpg]

Single undamaged 2.1cm rhodochrosite crystal with pale green octahedra of Fluorite.


T768 - Malachite after Azurite, Azurite $ 750
Ajo, Arizona, USA
miniature - 5 x 4.5 x 2.5 cm
ex.  Irv Brown


Malachite after Azurite, Azurite from Ajo, Arizona, USA [db_pics/pics/t768a.jpg] Malachite after Azurite, Azurite from Ajo, Arizona, USA [db_pics/pics/t768b.jpg] Malachite after Azurite, Azurite from Ajo, Arizona, USA [db_pics/pics/t768c.jpg]

Two larger velvety crystals of Malchite after Azurite with Azurite.  The Azurite crystals are located both on the matrix and on the psuedomorphs. Fine and undamaged.


T771 - Cerussite $ 300
Mibladen, Morocco
miniature - 4 x 4 x 3 cm
ex.  Irv Brown


Cerussite from Mibladen, Morocco [db_pics/pics/t771a.jpg] Cerussite from Mibladen, Morocco [db_pics/pics/t771b.jpg] Cerussite from Mibladen, Morocco [db_pics/pics/t771c.jpg] Cerussite from Mibladen, Morocco [db_pics/pics/t771d.jpg]

Cerussite from Mibladen is somewhat common, but this is an uncommonly good one. A nice compact knob of matrix covered on both sides with gemmy Cerussite crystals to 2cm with minor amounts of pink Barite. Good from both sides, undamaged.


T774 - Malachite after Azurite, Azurite $ 280
Ajo, Arizona, USA
thumbnail - 2.7 x 2.1 x 1.5 cm
ex.  Irv Brown


Malachite after Azurite, Azurite from Ajo, Arizona, USA [db_pics/pics/t774a.jpg] Malachite after Azurite, Azurite from Ajo, Arizona, USA [db_pics/pics/t774b.jpg] Malachite after Azurite, Azurite from Ajo, Arizona, USA [db_pics/pics/t774c.jpg]

Three interconnected velvety crystals of Malchite after Azurite with Azurite crystals on the psuedomorphs. Fine and undamaged.


T775 - Quartz $ 260
Lincoln Co., New Mexico, USA
thumbnail - 3 x 2.5 x 0.7 cm
ex.  Irv Brown


Quartz from Lincoln Co., New Mexico, USA [db_pics/pics/t775a.jpg] Quartz from Lincoln Co., New Mexico, USA [db_pics/pics/t775b.jpg]

Japan-law twin smokey Quartz crystal. Edge contacted along lower left side, otherwise undamaged.


T776 - Andradite $ 300
Tormiq, Skardu District, Pakistan
miniature - 3.5 x 3 x 3 cm
ex.  Irv Brown


Andradite from Tormiq, Skardu District, Pakistan [db_pics/pics/t776a.jpg] Andradite from Tormiq, Skardu District, Pakistan [db_pics/pics/t776b.jpg] Andradite from Tormiq, Skardu District, Pakistan [db_pics/pics/t776c.jpg] Andradite from Tormiq, Skardu District, Pakistan [db_pics/pics/t776d.jpg]

Large green Andradite crystal on matrix with Clinochlore. Largest Andradite is 1.9cm. Undamaged.


T782 - Wulfenite $ 850
Old Yuma Mine, Tucson Mts, Pima Co., Arizona, USA
miniature - 4.5 x 2.8 x 2.3 cm
ex.  Irv Brown


Wulfenite from Old Yuma Mine, Tucson Mts, Pima Co., Arizona, USA [db_pics/pics/t782a.jpg] Wulfenite from Old Yuma Mine, Tucson Mts, Pima Co., Arizona, USA [db_pics/pics/t782b.jpg] Wulfenite from Old Yuma Mine, Tucson Mts, Pima Co., Arizona, USA [db_pics/pics/t782c.jpg]

A 2.8cm wide red/orange Wulfenite crystal on Calcite matrix. The backside of the crystal has a druse of Calcite but the front is bright and lustrous. Minor chipping along the edges but overall great condition.


T785 - Sphalerite $ 650
Balmat Mine, St Lawrence Co., New York, USA
miniature - 3.5 x 2.8 x 2.4 cm
ex.  Irv Brown


Sphalerite from Balmat Mine, St Lawrence Co., New York, USA [db_pics/pics/t785a.jpg] Sphalerite from Balmat Mine, St Lawrence Co., New York, USA [db_pics/pics/t785b.jpg] Sphalerite from Balmat Mine, St Lawrence Co., New York, USA [db_pics/pics/t785c.jpg]

Cluster of large Sphalerite crystals, translucent orange/brown with flashes of yellow. Undamaged and crystallized all around.


T786 - Azurite $ 350
Touissit, Morocco
miniature - 3.5 x 2.5 x 2.5 cm
ex.  Irv Brown


Azurite from Touissit, Morocco [db_pics/pics/t786a.jpg] Azurite from Touissit, Morocco [db_pics/pics/t786b.jpg] Azurite from Touissit, Morocco [db_pics/pics/t786c.jpg] Azurite from Touissit, Morocco [db_pics/pics/t786d.jpg]

Undamaged cluster of bright, translucent blue Azurite. Good quality lustrous crystals.


T787 - Scolecite $ 200
Italy
miniature - 3.9 x 3.8 x 2 cm
ex.  Irv Brown


Scolecite from Italy [db_pics/pics/t787a.jpg] Scolecite from Italy [db_pics/pics/t787b.jpg]

Small geode filled with white Scolecite crystals. There is one broken crystal deep in the vug, otherwise all crystals present though not terminated because they contacted the top of the geode. Unusual specimen, unfortunately no further locality information is available.


T789 - Tanzanite $ 700
Merelani Hills, Arusha, Tanzania
miniature - 3.5 x 2.2 x 1.5 cm
ex.  Irv Brown


Tanzanite from Merelani Hills, Arusha, Tanzania [db_pics/pics/t789a.jpg] Tanzanite from Merelani Hills, Arusha, Tanzania [db_pics/pics/t789b.jpg] Tanzanite from Merelani Hills, Arusha, Tanzania [db_pics/pics/t789c.jpg]

Bi-colored single Tanzanite crystal, yellow over a blue core, with some attached Calcite. Slight chipping on the back face, otherwise undamaged. 23 grams.



(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

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