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Mineral Specimens with Pentagonite
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When these lighter, teal-blue crystals were found, they were thought to be cavansite, but recent work has proven them to be the orthorhombic dimorph, pentagonite, which is much rarer than cavansite. This specimen consists of a cluster of pentagonite crystals sitting on matrix. Individual crystals reach nearly 1 cm in length. They are extremely lustrous. Viewing this piece through a hand lens reveals many tiny water clear calcite crystals on the pentagonite.
This is an outstanding matrix specimen of pentagonite.Pristine display face! Acicular and transparent, light, teal blue pentagonite crystals, to 1.5 cm in length, radiate away from the matrix. They are very lustrous and glassy. Once again, the world’s best of this species is from India.
Pentagonite, a rare orthorhombic dimorph of Cavansite, has certainly been one of the more spectacular mineral discoveries of recent years. Sprays of Pentagonite are known for spectacular form, color, and luster. In this case, you have two stunning Pentagonite "Christmas tress" averaging 1.5 cm in height, very nicely paired together and spalying up from the matrix!. There are even Calcite rhombs sitting on each spray. An excellent specimen, and even better in person - this is a lot of pentagonite, and very displayable, for the price
Spectacular spray of razor-sharp blades that have a gorgeous deep blue color. The photo says it all, and it is even BETTER in person. This is as fine a Pentagonite thumbnail as you will find. It GLOWS WITH ELECTRIC neon-blue color, and all the elongated crystals are gemmy. (CANNOT BE MAILED...well, maybe it can, but i'd prefer not to risk it)
A superb thumbnail that is notable for its strong geometry and fabulous deep blue color. The Pentagonite blades are razor-sharp, and can be seen 360o all around the specimen. A killer, and much better in person. It GLOWS WITH ELECTRIC neon-blue color, and all the elongated crystals are gemmy. (CANNOT BE MAILED...well, maybe it can, but i'd prefer not to risk it)
I had to pull out the thesaurus for this specimen, it is that spectacular! The three lustrous and razor-sharp Pentagonite crystals (up to 1.6 cm!) sit perfectly balanced within the vug, and they have the classic deep blue color that is so highly desired for the species and so rare in the mineral kingdom. This miniature is nonpareil, desirable and superlative. It is just an amazing piece...to have such long, gemmy crystals, and have them so immaculately protected in a perfectly-sized vug for the collector, not too big and not too small, that displays them so nicely....i mean, its ridiculous. And, its mailable, safely.
Recent mining for cavansite has also uncovered the world’s finest pentagonite crystals (a dimorph of cavansite with different crystal form, these showing much twinning). This rare mineral occurs here as a Christmas tree-shaped cluster of 1.7 cm in length, with lustrous and translucent, rich, neon-blue, crystals. The pentagonite is nestled protectively in a vug of lustrous, translucent, colorless, stilbite crystals. Just lovely!
This is a rosette of royal blue, lustrous, translucent, Pentagonite crystals with an occasional spike of an individual crystal, to large size at .75 cm in length. It is encrusted with a druse of pearlescent, stilbite crystals. VERY RICH Pentagonite specimen for the price!
Teal blue, clusters of lustrous Pentagonite , to 1.5 cm across, are nestled in a vug of drusy, lustrous, ivory colored stilbite. The stilbite is VERY glassy, unusually so. The Pentagonite is very bright blue, unusually so. together, a stark contrast! The specimen has, overall, a very rich amount of Pentagonite and for the price is one of the better deals on pentagonite i have been able to offer over the years. It is more 3-dimensional in person and retains the appearance of a natural cavity with some depth. Sawed in the back during removal, but no saw marks visible on front .
6.6 x 5.3 x 3.0 cm. A beautiful, 6 mm spray of gemmy, royal-blue pentagonite blades jauntily perched atop vuggy matrix covered with sparkly stilbite crystals from the famous Wagholi Quarry of India. Three additional pentagonite sprays lined up vertically add a very nice accent to this sculptural, wing-like specimen.
3.0 x 2.3 x 2.0 cm. A beautiful, 1.0 cm arborescent spray of gemmy, royal-blue pentagonite blades very AESTHETICALLY set in a vug with contrasting matrix from the famous Wagholi Quarry of India. The elongated blades really accent this sculptural, pentagonite cluster.
9.6 x 6.7 x 5.0 cm. A gorgeous 1.0 cm spray of gemmy, royal-blue pentagonite needles highlights a very well-placed vug richly lined with smaller pentagonite crystals on this showy 3-dimensional basalt matrix partially covered with contrasting off-white stilbite. A showy and excellent larger specimen, unique to the famous Wagholi Quarry of India.
4.5 x 3.2 x 3.0 cm. These new Pentagonite specimens are truly one of the most exciting new finds from the Deccan Trappe in India. Undoubtedly the very finest Pentagonite specimens in the world occur at this locality. This piece features an aesthetic, beautiful, sharp, intense neon blue aggregate of Pentagonite measuring 2.3 cm across on white Mordenite on reddish-brown basalt matrix . A very showy and superb quality miniature of this extremely rare (and underappreciated) material. Ex. Brian Kosnar.
5.2 x 4.8 x 3.0 cm. These Pentagonite specimens are truly one of the most exciting recent finds from the Deccan Trappe in India. Undoubtedly the very finest Pentagonite specimens in the world occur at this locality. This piece features a relatively large, beautiful, sharp, intense neon blue aggregate of Pentagonite measuring 1.9 cm. long aesthetically on matrix with minor Mordenite.
6.3 x 3.7 x 2.3 cm. Pentagonite occurs here as a Christmas tree-shaped cluster of 1.7 cm in length, with lustrous and translucent, rich, neon-blue, crystals. The pentagonite is nestled protectively in a vug of lustrous, translucent, colorless heulandite crystals. Tim Blackwood Collection.
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Rob Lavinsky, rob@irocks.com
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share specimen![Pentagonite from Wagholi Quarry, near Poona, Maharashtra, India [db_pics/pics/cmi28a.jpg]](db_pics/pics/cmi28a.jpg)
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![Pentagonite from Wagholi Quarry, near Poona, Maharashtra, India [db_pics/pics/cmi29b.jpg]](db_pics/pics/cmi29b.jpg)
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![Pentagonite from Wagholi Quarry, near Poona, Maharashtra, India [db_pics/pics/ind33b.jpg]](db_pics/pics/ind33b.jpg)
![Pentagonite from Wagholi Quarry, near Poona, Maharashtra, India [db_pics/pics/ind34a.jpg]](db_pics/pics/ind34a.jpg)
![Pentagonite from Wagholi Quarry, near Poona, Maharashtra, India [db_pics/pics/ind35a.jpg]](db_pics/pics/ind35a.jpg)
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![Pentagonite, Stilbite from Wagholi Quarry, Wagholi, Pune District (Poonah District), Maharashtra, India [db_pics/mdpics/MD-118859b.jpg]](db_pics/mdpics/MD-118859b.jpg)
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![Pentagonite from Wagholi Quarry, Wagholi, Pune District (Poonah District), Maharashtra, India [db_pics/mdpics/MD-172137b.jpg]](db_pics/mdpics/MD-172137b.jpg)
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![Pentagonite from Wagholi Quarry, Wagholi, Pune District (Poonah District), Maharashtra, India [db_pics/mdpics/MD-177794b.jpg]](db_pics/mdpics/MD-177794b.jpg)