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MK673 - Sphalerite on Fluorite $ 1250 Denton Mine, Hardin Co., Illinois, USA small cabinet - 6.8 x 4.5 x 3 cm ![]() ![]() ![]() ![]() ![]() Purple/blue cubic Fluorite with attached Sphalerite crystals from the Denton Mine. This is a wonderful and colorful piece with stepped growth features on the faces, good clarity, and nice phantoms/color zoning inside. There are a couple small Sphalerite included within the Fluorite too. Pristine.
MK676 - Grossular $ 3350 Jeffrey Mine, Asbestos, Quebec, Canada thumbnail - 2.5 x 1.7 x 1.3 cm ![]() ![]() ![]() ![]() Group of transparent, gem quality orange Grossular crystals from the Jeffrey Mine. The main crystal is 1.4cm wide, entirely transparent, and complete all around (can be displayed equally well from either side). There is a single tiny edge nick, otherwise pristine and perfect all around. Ex. Charlie Key.
MK678 - Azurite $ 850 Milpillas Mine, Cuitaca, Sonora, Mexico miniature - 4.5 x 4 x 2.4 cm ![]() ![]() ![]() Robust cluster of thick, doubly-terminated Azurite crystals from the Milpillas Mine. There are some bits of matrix attached to the crystals on back, but this is essentially a floater cluster of nothing but intergrown Azurite crystals. Highly showy example from this prolific Azurite locality that is no longer producing.
MK679 - Azurite $ 200 Milpillas Mine, Cuitaca, Sonora, Mexico miniature - 4.7 x 3 x 1.3 cm ![]() ![]() ![]() Sculptural cluster of elongated Azurite crystals from the Milpillas Mine. Good luster and bright 'electric' blue falashes in areas. Highly showy example from this prolific Azurite locality that is no longer producing.
MK680 - Miargyrite, Pyrrhotite $ 450 Rosebud Mine, Pershing Co., Nevada, USA cabinet - 9.5 x 6 x 3.5 cm ![]() ![]() ![]() ![]() ![]() Blue/green matrix covered by a layer of drusy Quartz hosting larger, brassy crystals of Pyrrhotite and smaller black crystals of Miargyrite from an old Gold and Silver mine in Nevada. Excellent for the species with well formed Miargyrite crystals to over3mm in size and crystal groups to 6mm wide. Miargyrite is a rare silver sulphosalt species.
MK681 - Apatite $ 1250 Merelani Hills, Arusha, Tanzania thumbnail - 2.5 x 1.2 x 0.5 cm ![]() ![]() ![]() Single blue Apatite crystal of exceptional size and quality from the Merelani Tanzanite mines. This is a complete, gem quality crystal with a steep, multi-faceted termination. There are a couple edge chips, but it is in overall excellent condition and one of the better I've seen from the locality. This is likely from the Karo Mine where the best Apatite were found years ago. This is an excellent crystal and the pictures don't do it justice.
MK682 - Peridot $ 1200 Sapat Gali, Kaghan Valley, Mansehra District, Pakistan thumbnail - 2.7 x 1.9 x 1.5 cm ![]() ![]() ![]() ![]() Single Peridot crystal with bright green color, good clarity, and sharp, smooth crystal faces. So many Peridot crystals tend towards an olive green color and rounded rather that crisp edges. This crystal is far better than most with good color and smooth, flat crystal faces. Complete all around and undamaged. There are also included acicular crystals of Ludwigite on the back side. A Peridot of rare quality which I have owned for 20 years or more.
MK683 - Aquamarine $ 5000 Shigar Valley, Skardu, Pakistan miniature - 5 x 2.3 x 2.3 cm ![]() ![]() ![]() ![]() Water-clear single blue Aquamarine crystal from Shigar Valley. Stunningly beautiful gem crystal that is complete all around with glass-like luster and a complex, multi-faceted termination. Weighs 43.19 grams.
MK737 - Topaz $ 400 Rodrigo Silva District, Ouro Preto, Minas Gerais, Brazil thumbnail - 3 x 1.6 x 0.7 cm ![]() ![]() Complete, gemmy single 'Imperial' Topaz crystal from Rodrigo Silva in Brazil. Well terminated and complete all around with rich golden color, some edge chatter. A flat, tabular crystal with uncommonly good transparency. The termination faces are a bit matte in luster, but it also has never been cleaned. This is old stock purchased in Brazil by dealer Steve Perry back in the 1990s.
MK746 - Hematite $ 200 Rodrigo Silva District, Ouro Preto, Minas Gerais, Brazil miniature - 3.2 x 2.3 x 0.6 cm ![]() ![]() ![]() Bright, metallic cluster of Hematite from the Rodrigo Silva district in Brazil. The Hematite occurs as parallel-growth, hexagonal crystals forming what is known as an 'Iron Rose'. The specimen is complete all around with minor edge wear and bright, mirror-lustrous faces on front and back with more matte luster along the edges. This is old stock purchased in Brazil by dealer Steve Perry back in the 1990s.
MK747 - Hematite $ 180 Rodrigo Silva District, Ouro Preto, Minas Gerais, Brazil miniature - 3.5 x 3.5 x 1.1 cm ![]() ![]() ![]() ![]() Bright, metallic cluster of Hematite from the Rodrigo Silva district in Brazil. The Hematite occurs as parallel-growth, hexagonal crystals forming what is known as an 'Iron Rose'. The specimen is complete all around with edge chipping on one side and bright, mirror-lustrous faces on front and back with more matte luster along the edges. This is old stock purchased in Brazil by dealer Steve Perry back in the 1990s.
MK748 - Hematite $ 400 Rodrigo Silva District, Ouro Preto, Minas Gerais, Brazil miniature - 5 x 3 x 2 cm ![]() ![]() ![]() Bright, metallic cluster of Hematite from the Rodrigo Silva district in Brazil. The Hematite occurs as parallel-growth, hexagonal crystals forming what is known as an 'Iron Rose'. The specimen is complete all around with minor edge wear and bright, mirror-lustrous faces on front and back with more matte luster along the edges. This is old stock purchased in Brazil by dealer Steve Perry back in the 1990s.
MK749 - Hematite $ 280 Rodrigo Silva District, Ouro Preto, Minas Gerais, Brazil miniature - 3.6 x 3 x 1.2 cm ![]() ![]() ![]() Bright, metallic cluster of Hematite from the Rodrigo Silva district in Brazil. The Hematite occurs as parallel-growth, hexagonal crystals forming what is known as an 'Iron Rose'. The specimen is complete all around with minor edge wear and bright, mirror-lustrous faces on front and back with more matte luster along the edges. This is old stock purchased in Brazil by dealer Steve Perry back in the 1990s.
MK750 - Hematite $ 200 Rodrigo Silva District, Ouro Preto, Minas Gerais, Brazil miniature - 3.7 x 2.3 x 1.3 cm ![]() ![]() ![]() Bright, metallic cluster of Hematite from the Rodrigo Silva district in Brazil. The Hematite occurs as parallel-growth, hexagonal crystals forming what is known as an 'Iron Rose'. The specimen is complete all around with minor edge wear and bright, mirror-lustrous faces on front and back with more matte luster along the edges. This is old stock purchased in Brazil by dealer Steve Perry back in the 1990s.
MK751 - Hematite $ 180 Rodrigo Silva District, Ouro Preto, Minas Gerais, Brazil thumbnail - 3 x 2.3 x 0.9 cm ![]() ![]() ![]() Bright, metallic cluster of Hematite from the Rodrigo Silva district in Brazil. The Hematite occurs as parallel-growth, hexagonal crystals forming what is known as an 'Iron Rose'. The specimen is complete all around with minor edge wear and bright, mirror-lustrous faces on front and back with more matte luster along the edges. This is old stock purchased in Brazil by dealer Steve Perry back in the 1990s.
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