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3 specimens listed
Page   1 |

Albite (v. Cleavelandite) - very fine crystals
stock #19.1-283-(3856)
Virgem do Lapa
Minas Gerais, Brazil
7 x 5.8 x 2.7 CM (cabinet)
price: $750


Large, perfect gem clear crystals of Albite with fine textbook form. Ex Rock Currier collection (label # 3856) this shows well the quality of esthetics that Rock was well known for. It is surprising how few collections or even Pegmatite suites we see have a good example of this common Feldspar. These are almost never so esthetic as seen here, this is a striking piece. Albite/ Cleavlandite is a common mineral, but crystals of this size and perfection are just very rare. These crystals are formed as thin hexagonal plates with beveled edges and transverse striations. The whole group is stacked as an epitaxial cluster and shows brilliant glasslike luster. A killer Feldspar, some edges have a dusting of small rosettes of Muscovite that add a nice contrast. Better in person, the individual crystals exceed 5 CM diameter.
Lepidolite on Clevlandite
stock #16.1-569
Virgem do Lapa
Minas Gerais, Brazil
5 x 4.1 x 2 CM (miniature)
price: $130


An unusual yet attractive Lepidolite, with color and form that is not at all typical. From the great Pegmatite deposits of Virgem da Lapa, ex. Leoben collection. The Lepidolites are in thin stacks of diverging crystals in clusters having a Orange to Pink color. The matrix is white to colorless Clevelandite in crystals and massive plates. Lepidolite is one of the most attractive Mica minerals often taking many diverse forms and vibrant colors. A choice miniature.
Elbaite - Cats-eye Toumaline
stock #18-AX-7-540
Virgem do Lapa
Minas Gerais, Brazil
9.1 x 2.8 x 1.7 CM (cabinet)
price: $775
Spring 2019

Silky "catseye" luster in these bicolor crystals makes a complex but impressive cluster. Most every crystal in this specimen is doubly terminated with one end pointed the other a flat basal termination. In impressive condition this is an older (25 years plus) Brazilian gem. The darkest colored areas are mostly opaque but the majority of the prisms are translucent and on thin edges transparent. With backlighting the crystals all show several areas of zoning, but in normal display these seem to have two main zones and silky texture is pronounced. Most of the faces have many tiny accicular crystals attached at jumbled angles, adding a nice sparkle in person. The longest crystal in this cluster is 8.5 CM. An excellent example of this style and habit not often available.
3 specimens listed
Page   1 |