Marin Mineral Company - Selected Specimens

Selected Specimens

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J163 - Topaz and Quartz after Orthoclase $ 200
Schneckenstein, Vogtlan, Germany
thumbnail - 2.5 x 1.5 x 1.4 cm

(click on an image to enlarge)
Topaz and Quartz after Orthoclase from Schneckenstein, Vogtlan, Germany [db_pics/pics/J163a.jpg]

Topaz and Quartz after Orthoclase from Schneckenstein, Vogtlan, Germany [db_pics/pics/J163b.jpg]

Topaz and Quartz after Orthoclase from Schneckenstein, Vogtlan, Germany [db_pics/pics/J163c.jpg]

Psuedomorph of Quartz and Topaz after a double-terminated Orthoclase. These were found in the 1920s at the type locality for Topaz in Germany. Complete all around and undamaged specimen. These are rarely available, this one traded out of the collection of the Freiberg Mining University Museum.

J164 - Euchroite $ 250
Svatoduska, near Lubietova, Slovakia
miniature - 3.5 x 2.3 x 2 cm

(click on an image to enlarge)
Euchroite from Svatoduska, near Lubietova, Slovakia [db_pics/pics/J164a.jpg]

Euchroite from Svatoduska, near Lubietova, Slovakia [db_pics/pics/J164b.jpg]

Euchroite from Svatoduska, near Lubietova, Slovakia [db_pics/pics/J164c.jpg]

Deep green Euchroite crystals to 2-3mm that contrast well against the dark brown matrix. Good crystals that are fairly well isolated.

C675 - Cuprite on Chrysocolla $ 1200
Mashamba West Mine, Katanga, Congo
cabinet - 12 x 8 x 4 cm

(click on an image to enlarge)
Cuprite on Chrysocolla from Mashamba West Mine, Katanga, Congo [db_pics/pics/c675a.jpg]

Cuprite on Chrysocolla from Mashamba West Mine, Katanga, Congo [db_pics/pics/c675b.jpg]

Cuprite on Chrysocolla from Mashamba West Mine, Katanga, Congo [db_pics/pics/c675c.jpg]

Cuprite on Chrysocolla from Mashamba West Mine, Katanga, Congo [db_pics/pics/c675d.jpg]

Cuprite crystals to 1.3cm on an uncommonly wide, flat Chrysocolla covered matrix. These came out years ago and are among my favorite Cuprite specimens as the Chrysocolla really sets off the Cuprite crystals. Crystals are undamaged with many more crystals present that are completely covered by the Chrysocolla. Areas of fibrous Malachite crystals enhance the look. Undamaged.

C677 - Cuprite on Chrysocolla $ 500
Mashamba West Mine, Katanga, Congo
small cabinet - 8 x 6.5 x 4 cm

(click on an image to enlarge)
Cuprite on Chrysocolla from Mashamba West Mine, Katanga, Congo [db_pics/pics/c677a.jpg]

Cuprite on Chrysocolla from Mashamba West Mine, Katanga, Congo [db_pics/pics/c677b.jpg]

Cuprite on Chrysocolla from Mashamba West Mine, Katanga, Congo [db_pics/pics/c677c.jpg]

Cuprite crystals to 1.9cm on a flat Chrysocolla covered matrix. These came out years ago and are among my favorite Cuprite specimens as the Chrysocolla really sets off the Cuprite crystals. Main crystal is sharp with just slight edge chipping in one area. There are also many more crystals present (can be seen along edges) that are completely covered by the Chrysocolla and could be exposed. Areas of fibrous Malachite crystals enhance the look.

C681 - Topaz $ 190
Ouro Preto, Minas Gerais, Brazil
miniature - 3.7 x 1 x 0.7 cm

(click on an image to enlarge)
Topaz from Ouro Preto, Minas Gerais, Brazil [db_pics/pics/c681a.jpg]

Topaz from Ouro Preto, Minas Gerais, Brazil [db_pics/pics/c681b.jpg]

Topaz from Ouro Preto, Minas Gerais, Brazil [db_pics/pics/c681c.jpg]

Undamaged single gem 'Imperial' Topaz crystal. There are vertical surface striations but the inside is pure transparent gem.

C682 - Topaz $ 180
Ouro Preto, Minas Gerais, Brazil
miniature - 3.5 x 1 x 0.8 cm

(click on an image to enlarge)
Topaz from Ouro Preto, Minas Gerais, Brazil [db_pics/pics/c682a.jpg]

Topaz from Ouro Preto, Minas Gerais, Brazil [db_pics/pics/c682b.jpg]

Topaz from Ouro Preto, Minas Gerais, Brazil [db_pics/pics/c682c.jpg]

Undamaged single gem 'Imperial' Topaz crystal. There are vertical surface striations but the inside is pure transparent gem.

C683 - Thaumasite $ 1500
N'Chwanning Mine, Kuruman, South Africa
miniature - 3.4 x 3 x 1.3 cm

(click on an image to enlarge)
Thaumasite from N'Chwanning Mine, Kuruman, South Africa [db_pics/pics/c683a.jpg]

Thaumasite from N'Chwanning Mine, Kuruman, South Africa [db_pics/pics/c683b.jpg]

Thaumasite from N'Chwanning Mine, Kuruman, South Africa [db_pics/pics/c683c.jpg]

Thaumasite from N'Chwanning Mine, Kuruman, South Africa [db_pics/pics/c683d.jpg]

Thaumasite is a rare mineral in the Ettringite group, the best were found at the N'Chwanning. This is a rare matrix specimen - you used to be able to find small single crystals but now even those are hard to find. Matrix specimens were always uncommon, and I have only ever had one before, a similar piece to this one that I paid a similar price to Katherine Woest about 15 years ago. Crystals are a transparent yellow and reach 5mm in diameter. White tufts of Xonotlite are dispersed between the Thaumasite crystals.

C684 - Andradite $ 350
Plan de Gallos, Veracruz, Mexico
miniature - 4.5 x 3.5 x 2.5 cm

(click on an image to enlarge)
Andradite from Plan de Gallos, Veracruz, Mexico [db_pics/pics/c684a.jpg]

Andradite from Plan de Gallos, Veracruz, Mexico [db_pics/pics/c684b.jpg]

Andradite from Plan de Gallos, Veracruz, Mexico [db_pics/pics/c684c.jpg]

Andradite from Plan de Gallos, Veracruz, Mexico [db_pics/pics/c684d.jpg]

Yellow Andradite garnet crystals from recent finds in Veracruz. This specimen features a well centered, large central crystal of 1.8cm, which is good sized for the find. Attractive and unusual colored garnet.

C685 - Andradite $ 350
Plan de Gallos, Veracruz, Mexico
small cabinet - 8.2 x 5 x 4 cm

(click on an image to enlarge)
Andradite from Plan de Gallos, Veracruz, Mexico [db_pics/pics/c685a.jpg]

Andradite from Plan de Gallos, Veracruz, Mexico [db_pics/pics/c685b.jpg]

Andradite from Plan de Gallos, Veracruz, Mexico [db_pics/pics/c685c.jpg]

Andradite from Plan de Gallos, Veracruz, Mexico [db_pics/pics/c685d.jpg]

Yellow Andradite garnet crystals from recent finds in Veracruz. This specimen features numerous gemmy yellow crystals to 0.8cm. Attractive and unusual colored garnet.

C687 - Smithsonite $ 650
Touissit, Oujda-Angad Prov., Morocco
small cabinet - 8.5 x 5.5 x 4 cm

(click on an image to enlarge)
Smithsonite from Touissit, Oujda-Angad Prov., Morocco [db_pics/pics/c687a.jpg]

Smithsonite from Touissit, Oujda-Angad Prov., Morocco [db_pics/pics/c687b.jpg]

Smithsonite from Touissit, Oujda-Angad Prov., Morocco [db_pics/pics/c687c.jpg]

Open vug lined with satiny orange/tan Smithsonite crystals. Thick layer of translucent Smithsonite. Comes with a Wendel Minerals label that indicates it was formerly part of the Mayer collection.

C688 - Hausmanite $ 900
N'Chwanning II Mine, Kuruman, South Africa
small cabinet - 9 x 5.5 x 3 cm

(click on an image to enlarge)
Hausmanite from N'Chwanning II Mine, Kuruman, South Africa [db_pics/pics/c688a.jpg]

Hausmanite from N'Chwanning II Mine, Kuruman, South Africa [db_pics/pics/c688b.jpg]

Hausmanite from N'Chwanning II Mine, Kuruman, South Africa [db_pics/pics/c688c.jpg]

Hausmanite from N'Chwanning II Mine, Kuruman, South Africa [db_pics/pics/c688d.jpg]

Matrix covered by Andradite crystals in turn coated by numerous well formed Hausmanite crystals. Clean and undamaged. Comes with a Wendel Minerals label that indicates it was formerly part of the Mayer collection.

J180 - Apatite $ 200
Namalulu, Tanzania
miniature - 3.3 x 3.2 x 2.2 cm

(click on an image to enlarge)
Apatite from Namalulu, Tanzania [db_pics/pics/J180a.jpg]

Apatite from Namalulu, Tanzania [db_pics/pics/J180b.jpg]

Apatite from Namalulu, Tanzania [db_pics/pics/J180c.jpg]

Large, chunky single Apatite crystal with a good blue/green color. Complete all around and translucent with a 'wet' luster. Undamaged with some natural indentaions from other crystals.

J181 - Apatite $ 140
Namalulu, Tanzania
miniature - 3.2 x 3 x 2.1 cm

(click on an image to enlarge)
Apatite from Namalulu, Tanzania [db_pics/pics/J181a.jpg]

Apatite from Namalulu, Tanzania [db_pics/pics/J181b.jpg]

Apatite from Namalulu, Tanzania [db_pics/pics/J181c.jpg]

Large, chunky single Apatite crystal with a good blue/green color. Complete all around and translucent with a 'wet' luster. Slight chipping but relatively undamaged.

J183 - Apatite ~~$ 80~~ DISCOUNTED 50% OFF TO $ 40
Namalulu, Tanzania
thumbnail - 2.3 x 2 x 1.6 cm

(click on an image to enlarge)
Apatite from Namalulu, Tanzania [db_pics/pics/J183a.jpg]

Apatite from Namalulu, Tanzania [db_pics/pics/J183b.jpg]

Apatite from Namalulu, Tanzania [db_pics/pics/J183c.jpg]

Single Apatite crystal with a good blue/green color. Complete all around and translucent with a 'wet' luster. Chipping on one edge otherwise undamaged.

J185 - Apatite ~~$ 120~~ DISCOUNTED 50% OFF TO $ 60
Namalulu, Tanzania
thumbnail - 2 x 1.6 x 1.3 cm

(click on an image to enlarge)
Apatite from Namalulu, Tanzania [db_pics/pics/J185a.jpg]

Apatite from Namalulu, Tanzania [db_pics/pics/J185b.jpg]

Apatite from Namalulu, Tanzania [db_pics/pics/J185c.jpg]

Single Apatite crystal with a good blue/green color. Complete all around and translucent with a 'wet' luster. Undamaged.

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