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Mineral Specimens with Vivianite
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2.7 x 2.2 x 1.4 cm. A single crystal of glassy and translucent, blue-green vivianite measuring 1.8 cm in length, rises aesthetically from its matrix.
6.1 x 3.9 x 2.9 cm. Attractive sprays of lustrous and gemmy deep blue-green blades. The crystals, which range up to 2 cm, are very aesthetically distributed, as they rest on the matrix as either radial sprays or individual upright blades. A very nice small cabinet piece, this is larger than most specimens from this locality. These were found during the 1990s as mining progressed through a phosphate pod that was in a fossiliferous zone - the hollow shells of the fossil brachiopods provided cavities for the growth of vivianite, anapaite, calcite.
3.8 x 2.3 x 0.8 cm. Not exactly the biggest vivianite crystals (to 0.4 cm), but these are rather rare ones from Florida, isolated on matrix and with the characteristic blue color. Rare from the 1980s.
This specimen features a GEM crystal measuring 2 cm tall , 0.7 x 0.6 cm wide, perched smartly on well-trimmed matrix! 5.1 x 3.3 x 1.8 cm
This Photo was Mindat.org Photo of the Day - 21st Mar 2006
3.3 x 3.3 x 3.0 cm. This mine has produced what are clearly some of the finest Vivianite specimens ever seen. This piece features an absolutely beautiful, lustrous; gem-quality, emerald-green, sword shaped "textbook" crystal of Vivianite sitting atop metamorphosed Sandstone.
An attractive specimen by any standard for the species, but ESPECIALLY for such an esoteric phosphate locality as this one! This piece features a curved blet of sharp red hureaulite crystals to about 6mm, associated with other phosphates, all on massive quartz. It was obtained in trade from the collector who told me that he got it several decades ago and it was one of the better such specimens. I certainly haven't seen anything remotely comparable on our market, to compare it to, and so I really tend to trust his comments in that regard. 10 x 6.4 x 5.4 cm
9.5 x 4.7 x 3.2 cm. A superb, very gemmy and pristine, thick, doubly terminated, parallel-growth emerald-green vivianite crystal attached to a bit of sandstone matrix from the finds in Bolivia about 4-5 ago. The saw-toothed termination is very gemmy, while the other termination is rounded and is lightly etched. Very unusual on this striking specimen, which is large for the find and locale.
5.0 x 2.3 x 1.8 cm. An old US classic now, these were found in the 1960s and remain the finest vivianites ever from the USA. They have a unique purple color - I have no idea what causes it, but no other vivianites from any other locale seem to have it, so these are unmistakable when they do turn up. This specimen has a particularly well-formed, robust crystal that is much thicker at 5-6mm than most such specimens (they tend to be 2-3mm). Ex. Jaime Bird Collection.
This Photo was Mindat.org Photo of the Day - 10th Oct 2009
7.4 x 6.1 x 3.8 cm. I had never seen vivianite from New Jersey myself, and was surprised to see this piece (with an accompanying old Italian label) on a table at Munich where an old collection of US and Mexico locality pieces was being broken up. The specimen has dark green blades in a protected pocket of hard sandstone. Thanks to Jim Chenard for more comments: This location is old, and part may still be accessible, if they have not developed the whole area. The crystals are on the larger side from there, and it is most likely an older piece. See article: Mullica Hill, New Jersey in Min. Rec. 9-10/1980.
5.8 x 4.3 x 3.6 cm. Beautiful sprays of sharp lustrous blades of blue Vivianite, some of which exceed 1 cm in length. This is the classic United States locality for Vivianite. Ex. Martin Lewadny Collection.
7.3 x 6.7 x 4.8 cm. A sharp, complexly arranged small cabinet piece featuring one 4.5 cm (1.4 inch) crystal and several smaller crystals jutting out in one direction, and a very appealing cluster of crystals up to 4.2 cm in the other direction. Each side of the piece really complements the other: the bowtie cluster to the right accenting the larger, front-facing crystals to the left. This specimen shows excellent transparency, rich green color, and very good luster.
4.6 x 3.4 x 3.2 cm. Superb transparency highlights this complex cluster of smaller (to 2.2 cm) crystals.
5 x 5 x 2.9 cm. A wonderful miniature featuring a single 3.1 cm crystal (1.2 cm thick and yet all gem) rising from a bed of very fine little gem vivianites, all on matrix. The large crystal and many of the small ones have superb luster, excellent clarity, very good terminations.
3.9 x 3.3 x 0.8 cm. A choice, sharp 4 cm crystal on a bed of fine crystals and matrix. All the crystals have excellent luster and transparency (where light can pass through).
7.8 x 5.8 x 4.6 cm. A super-sharp cluster of lustrous crystals on matrix. With such good clarity, this specimen glows with even a little bit of light.
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Rob Lavinsky, rob@irocks.com
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