About Astro West
Astro West is owned and run by Marc Tanjeloff, a third generation fine mineral dealer and collector. His grandfather Julio Tanjeloff turned Astro West into a lavish 16,000 square foot gallery showcasing items from all over the world, from fine minerals to African art, created the periodical Mineral Digest, and was the first person to bring the mineral tanjeloffite, more commonly known as tanzanite, to the United States. Marc’s venture Astro West pays tribute to his grandfather. After helping to curate some of the world’s foremost mineral collections – including those of...Read More
Featured Pieces
Muonionalusta Meteorite Cube // 2" Diameter // 4.5 Billion Years Old
Located in New York, NY
This piece displays the beauty of the Muonionalusta meteorite in the form of a cube. It is extreamly rare to find a cube of any meteorite above an inch and this piece is 2 inches cub...
Category
Antique 15th Century and Earlier Swedish Natural Specimens
Materials
Iron, Nickel
Dioptase on Plancheite and Calcite
Located in New York, NY
This landscape of the sky blue copper silicate mineral plancheite features generously sized, lustrous and deeply pigmented dioptase crystals emerging from mounds of sparkling, snowy ...
Category
2010s Congolese Natural Specimens
Materials
Crystal
Megalodon Tooth From South Carolina, USA // 5.67" High
Located in New York, NY
This huge 5.67" high megalodon tooth is five to ten million years old from South Carolina, USA. The megalodon was the most massive predatory shark to ever live. Reaching lengths of 7...
Category
Antique 15th Century and Earlier American Natural Specimens
Materials
Organic Material
Cobaltoan Calcite // 2.44 Lb.
Located in New York, NY
This thick coating of Cobaltoan calcite on host rock brings beautiful natural sparkle and luster and some of the best bright magenta pigmentation we have seen in this species to date...
Category
2010s Congolese Natural Specimens
Materials
Crystal
Ukrainian Heliodor
Located in New York, NY
This stunning, gemmy finger of heliodor from the Ukraine features a lovely yellowish-green hue with incredible clarity and a rough-hewn appearance due to the gem mineral's characteri...
Category
2010s Ukrainian Natural Specimens
Materials
Crystal
Stilbite and Green Apophyllite from India II
Located in New York, NY
This cabinet size display piece and combination specimen features huge peach-hued stilbite crystals growing together with beautifully pigmented, moderately sized and fully formed gre...
Category
2010s Indian Natural Specimens
Materials
Crystal
Stilbite and Green Apophyllite from India
Located in New York, NY
This cabinet size display piece and combination specimen features huge peach-hued stilbite crystals growing together with deeply pigmented, equally large and fully formed green apop...
Category
2010s Indian Natural Specimens
Materials
Crystal
3-1/2" Diameter Malachite Sphere on Wooden Stand
Located in New York, NY
This substantially sized sphere of AAA-quality malachite with gorgeous color and natural patterns including a plethora of beautifully defined bullseyes comes from the DRC and has bee...
Category
2010s Congolese Natural Specimens
Materials
Malachite
Crotacephalina Trilobite From Morocco // 95 Grams // 400 Million Years Old
Located in New York, NY
This 100% complete trilobite fossil of the species crotacephalina on its natural limestone matrix is estimated to date back as far as 400 million years. Out of Morocco, this specimen...
Category
Antique 15th Century and Earlier Moroccan Natural Specimens
Materials
Other
5-1/2" Diameter Malachite Sphere on Wooden Stand
Located in New York, NY
This hefty sphere of AAA-quality malachite with gorgeous color and natural patterns including a plethora of beautifully defined bullseyes comes from the DRC and has been expertly han...
Category
2010s Congolese Natural Specimens
Materials
Malachite
Elestial Citrine Cluster
Located in New York, NY
This luminous large 100% natural untreated cluster of hefty, beautifully terminated and naturally lustrous citrine points from the DRC features the incredible deep amber hue sought a...
Category
2010s Congolese Natural Specimens
Materials
Crystal
Blue Celestite Geode from Madagascar // 11.5 Lb
Located in New York, NY
This open blue celestite geode features large, gemmy, glass-clear crystals with light to denim blue pigmentation, many with sharp, perfect terminations. This piece features incredibl...
Category
2010s Malagasy Natural Specimens
Materials
Rock Crystal
