Vivianite on matrix

Vivianite on matrixA fine quality, very sharp, incredibly well formed, highly lustrous, "sword" shaped crystal of rich emerald green Vivianite is beautifully perched atop contrasting red argillaceous sandstone. This is certainly one of the most aesthetic specimens in the lot and really displays beautifully as you can see from the photos. The visceral presence of superior crystallized form of the piece makes it a terrific crystallized example of the species. Specimen

The species was named after Basilius Valentinus

caterpillar (Lepidoptera larva)

The quality of the Cassiterites on this specimen is outstanding

especially the pieces from near Nagar

Specimen# CO712B132

The blending of both the euhedral crystals with their defined geometric form against the free flowing

There were only a handful of good specimens

I think that their appearance

Despite their smaller size

This specimen is over 40 years old and was part of the best find of the material

Here we have a good quality Boracite specimen from find the 2009 find in Bolivia

"sword"-shaped crystal of rich emerald green Vivianite is beautifully perched atop contrasting red argillaceous sandstone