Categories
Archives

This piece features a prominent spray of quartz pseudomorphs after anhydrite crystals, perched on a bed of quartz crystals. In excellent condition, a couple of incomplete pseudomorphed crystals low in front. From the John S. White quartz collection (#9-9-1), this is a dramatic specimen. About John S. White (click here Please Note: the colour representation […]

A beautiful cluster of delicate light purple amethyst crystals in the “flower” style for which these amethyst occurrences in Rio Grande do Sul are famous. The crystals are sharp, lustrous and transparent-to-translucent. A few are doubly-terminated. In excellent condition. This specimen is from the Tracy Kimmel collection, and she acquired it from the John S. […]

This is a large, complex, multi-tiered smoky quartz sceptre head on a white quartz stem. The smoky quartz exhibits parallel-growth features, with sharp, lustrous faces, along with some smaller interspersed textured areas that are less lustrous (and highly patterned under magnification). This specimen is in excellent condition – there’s no damage, which is simply remarkable […]

Detailed Description This is a top-quality specimen of both magnesite and fluor-uvite – the crystals of each species are sharp, lustrous and pristine. The magnesites have great transparency and the classic little triangular modification faces. The fluor-uvite crystals are dark green, and under strong light they too have good translucence – they look more transparent […]

Detailed Description A beautiful specimen of both minerals, this is a tall magnesite matrix with brilliant sharp lustrous transparent-translucent magnesite crystals. On top are perched pristine, glassy fluor-uvite crystals. The fluor-uvite crystals are colour zoned, with green and golden hues. A fantastic display specimen from Brumado – a super magnesite and a super fluor-uvite About […]

Detailed Description A super display specimen from Brumado! The base main body of the piece is made up of quartz crystals – some are complete, and some seem truncated – close examination shows that the surfaces around the piece all show crystallization patterns (they are not damaged). The beautiful sharp, lustrous glassy green fluor-uvite crystals […]

Detailed Description This is a great Brumado specimen! It hosts fluor-uvite – uvite crystals of the highest quality: razor-sharp, glassy, lustrous, translucent. In addition, excellent crystals of svanbergite are sprinkled around, all on a bed of sparkling, lustrous magnesite crystals. Although small, the magnesite crystals are also high quality, with sharpness, lustre and transparency. Brumado […]

This is a beautiful light-sea-green aquamarine from the famous 2005 pocket at the Itatiaia Mine. It is associated with sharp crystals of albite and muscovite. The aquamarine crystals from this pocket exhibit evidence of their less-than-gentle history. Sometime after they formed, there was a jarring event that broke many of the crystals, or separated them […]

Detailed Description A super thumbnail of ludlamite, featuring a 1.3 cm crystal standing up over the base of smaller crystals. The ludlamite crystals are sharp and lustrous, with deep green colour. This grew against the matrix, so, as you can see in the video, the crystal shows the matrix on the backside (i.e. where it […]

Detailed Description A beautiful miniature, packed with rich green, brilliantly-lustrous, sharp ludlamite crystals. In excellent condition, just some minor incomplete crystals at the periphery. This is gorgeous for the species! About These Ludlamites The first specimens of vivianite and ludlamite from Cabeça do Cahorro were exhibited at the Denver show in September 2014. Although some […]

Detailed Description A plate of gorgeous deep green ludlamite crystals, with great lustre and sharpness. The most prominent crystal on this piece is just wonderful – very 3-D, brilliant lustre. In excellent condition. This classy specimen is a super ludlamite! About These Ludlamites The first specimens of vivianite and ludlamite from Cabeça do Cahorro were […]

Detailed Description A plate of sharp, glossy-lustrous ludlamite crystals to 1.3 cm, with nice separation among the crystals on the matrix. In excellent condition overall, incomplete crystals at the margins where this was attached in the pocket. Stands perfectly for display – a colourful cabinet specimen! About These Ludlamites The first specimens of vivianite and […]