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United States (61)
- $130.00
 Silver leaf piece from the famous White Pine Mine.
Ready for immediate display.ÂThe White Pine mine was the very last commercial copper mine
operating in Michigan. This mine produced nearly a third of the total
copper production of the area over its long years of history.  Some of the most unique and rarest of the crystalline silver
specimens ever found in the northern Michigan Copper Country have come from this mine.ÂLocation:Â
White Pine Mine
White Pine Mine, Ontonagon County
Michigan
Size:
L: 1.5 cm W: 1.1 cm H: 3.2 cmÂ
Brought to you by KQ Minerals / Cowboy CrystalsÂ
-Keith Hayes CollectionÂ
AVAILABILITY: Out of stock
- $75.00
This is a small cabinet size sample of a Hall’s Gap, Kentucky millerite and pyrite geode on dolomite. It contains natural strands of the rare acicular millerite (nickle ore) needle crystals. This specimen comes with a floating display frame and the original collectors label.Â
weight – 29 grams
size – 5cm x 4.5cm x 2cm
AVAILABILITY: 1 in stock
- $30.00
This is a fine thumbnail sample of a Kentucky millerite geode containing chalcopryrite and the rare acicular millerite (nickle ore) needle crystals. Specimen comes in a labeled display case.Â
locality – Hall’s Gap, Kentucky, USA
size – 1.8cm x 1.2cm x 0.7cm
AVAILABILITY: 1 in stock
- $50.00
Cabinet size specimen of conichalcite from Granite Gap.
locality – Granite Gap, New Mexico
weight – 312 grams
size – 8cm x 6.5cm x 5.6cm
AVAILABILITY: 1 in stock
- $50.00
Vintage sample of Blue Barite crystal from the closed Paga Mine in Bartow County, Georgia. It was part of the Robert P. Bates collection. The floating display box and collectors mineral label with sweet message is included. Â
AVAILABILITY: 1 in stock
- $40.00
Babingtonite Crystals in Quartz, Massachusetts
AVAILABILITY: 1 in stock
AVAILABILITY: 1 in stock
- $145.00
Malachite PS after Azurite Crystals, Bisbee, Arizona
AVAILABILITY: 1 in stock
AVAILABILITY: 1 in stock
- $85.00
Layer of Rhodochrosite from Sunnyside Mine. Color is bubblegum pink as it looks in the picture.
Location:Â
Sunnyside Mine, Bonita Peak
Gladstone, Eureka District
San Juan Co.,
Colorado
Size:
L: 3.7 cm W: 1.2 cm H: 3.9 cmÂ
Brought to you by KQ Minerals / Cowboy CrystalsÂ
-Keith Hayes Collection
AVAILABILITY: Out of stock
- $80.00
Two cubes of fluorite next to metallic dark grey sphalerite. The smaller cube measures at: L: 0.5 cm, W: 0.5 cm, H: 0.5Â cm. The second and largest cube is: L: 1.2 cm, W: 1.2 cm H: 1.2 cmÂ
Location:Â
Elmwood Complex
Smith County
Tennessee
Size:
L: 3.9 cm W: 2.5 cm H: 4.4 cmÂ
Brought to you by KQ Minerals / Cowboy CrystalsÂ
-Keith Hayes Collection
- $15.00
Colemanite Crystals, California – Mineral Specimen for Sale
AVAILABILITY: 1 in stock
- $35.00
Rare Parisite (Ce) Crystals, Montana – Mineral Specimen for Sale
AVAILABILITY: 1 in stock
- $100.00
Rhodochrosite, Pink Crystals, Butte, Montana – Mineral Specimen for Sale
AVAILABILITY: 1 in stock
AVAILABILITY: 1 in stock
- $60.00
Gorgeous amethyst crystal cluster with a nice vitreous luster from Thunder Bay district.Â
Location:Â
Diamond Willow Mine
McTavish Twp, Thunder Bay Dist.
Ontario
Canada
Size:
L: 3.5 cm W: 2.2 cm H: 6.8 cmÂ
Brought to you by KQ Minerals / Cowboy CrystalsÂ
-Keith Hayes CollectionÂ
AVAILABILITY: 1 in stock
- $40.00
Nice blue with a slight purple Covellite plates on Pyrite. Colors are appreciated better in person.
Location:Â
Leonard Mine
Butte, Silver Bow County
Montana
Size:
L: 2.1 cm W: 1.0 cm H: 2.5 cmÂ
Brought to you by KQ Minerals / Cowboy CrystalsÂ
-Keith Hayes CollectionÂ
AVAILABILITY: 1 in stock
- $40.00
A nice classic specimen of Barite (Baryte) from the Deamchaser Mine in Oregon.
AVAILABILITY: 1 in stock
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