April 2009 Update (2)

Page 3 of 3 - Silvane Collection

AE48N4: Very sharp crystal, twinned, unusually acute for a sample from Graves Mountains. It is very bright and it is on matrix.
Graves Mountain, Lincoln County, Georgia  USA

Specimen size: 4.7 × 2.7 × 2.7 cm = 1.9” × 1.1” × 1.1”

Main crystal size: 2.2 × 1.8 cm = 0.9” × 0.7”

AR52N4: An excellent cluster of crystals, very representative both for the species and the locality, A classic of the American mineralogy. With small crystals of Pyrite and on matrix.
Ex Folch collection whose autographed label we'll send to the buyer with the Silvane collection label.
Butte, Silver Bow County, Montana  USA (±1948)

Specimen size: 6 × 3.5 × 4.5 cm = 2.4” × 1.4” × 1.8”

Main crystal size: 2.4 × 2.4 cm = 0.9” × 0.9”

AP13N4: Uncommon crystalline forms for the locality. The crystals, very rich in forms, have slight curvatures and color zoning and are partially coated by white globular Calcite.
Los Lamentos, Chihuahua  Mexico

Specimen size: 5.8 × 4.9 × 2.3 cm = 2.3” × 1.9” × 0.9”

Main crystal size: 0.5 × 0.5 cm = 0.2” × 0.2”

AL46N4: Esthetic growth of clean and bright very well defined crystals, one of them clearly dominant. The black acicular crystals are Aegirine.
Poudrette Quarry, Mont Saint-Hilaire, Rouville County, Québec  Canada

Specimen size: 3.5 × 3.2 × 2.7 cm = 1.4” × 1.3” × 1.1”

Main crystal size: 2.3 × 2.3 cm = 0.9” × 0.9”

AB89N4: Group of crystals of very good color, very uniform, and excellent transparency. Furthermore, a lot of the crystals on the group are doubly terminated. A floater.
Jeffrey Quarry, Asbestos, Québec  Canada (1998)

Specimen size: 6.7 × 3 × 2 cm = 2.6” × 1.2” × 0.8”

Main crystal size: 2 × 0.6 cm = 0.8” × 0.2”

AJ66N4: Crystals very rich in faces but with dominating forms of the prism and the terminal rhombohedron. They are absolutely clear and extraordinarily bright and are esthetically situated on a matrix of yellowish crystals of Stilbite.
Sokolovskiy Mine, Rudny Altai, Kostanai Oblast  Kazakhstan

Specimen size: 7.8 × 7.4 × 3.1 cm = 3.1” × 2.9” × 1.2”

Main crystal size: 2.4 × 1.6 cm = 0.9” × 0.6”

AG96N4: Uniaxial growth of scalenohedral crystals of Calcite with very well defined faces and edges, rich in secondary faces and curious growths of Hedenbergite on the lower part of the piece, similar to small dark trunks partially included in the Calcite.
Vyerkhniy Mine, Dalnjegorsk, Primorskij Kraj  Russia

Specimen size: 9.6 × 3.7 × 3 cm = 3.8” × 1.5” × 1.2”

AR16N4: Fan groups of very well defined crystals with excellent terminations, color and luster, on a matrix of small crystals of Quartz.
Imilchil, Anti-Atlas  Morocco (02/2005)

Specimen size: 5.9 × 2.7 × 2 cm = 2.3” × 1.1” × 0.8”

AZ6N4: Group of fine laminar crystals of Calcite of hexagonal shape, with color zoning and small recrystallizations of the same Calcite in some areas of the piece. The crystals are on a Quartz matrix with small Pyrite crystals.
El Hamman, Meknes  Morocco

Specimen size: 9.3 × 5.4 × 4.2 cm = 3.7” × 2.1” × 1.7”

Main crystal size: 2 × 1.8 cm = 0.8” × 0.7”

AG27N4: Group of crystals showing the well known "butterfly" twins. They are on matrix and have an excellent smoky color and are extraordinarily bright.
Puit IX, Touissit, Oujda  Morocco (1998)

Specimen size: 3.8 × 3.7 × 1.5 cm = 1.5” × 1.5” × 0.6”

Main crystal size: 1.6 × 1 cm = 0.6” × 0.4”

AR37N4: Groups of very well defined crystals of excellent luster and color, on a metallic matrix and an unusual association with white crystals of Quartz.
Bou Azzer area, Tazenakht, Ouarzazate  Morocco (1990)

Specimen size: 12 × 7.4 × 5.9 cm = 4.7” × 2.9” × 2.3”

Main crystal size: 0.5 × 0.4 cm = 0.2” × 0.2”

AT46N4: Big octahedral crystal of Carrollite of very well defined and bright faces with very well marked triangular forms of growth. Very unusual is the presence of abundant and very well defined crystals of Chalcopyrite that have grown epigenetically on the Carrollite. On Calcite matrix.
Kamoya South Mine, Kambove  Congo D.R. (07/2002)

Specimen size: 7.8 × 5.3 × 4.5 cm = 3.1” × 2.1” × 1.8”

AE36N4: Very aerial growth of octahedral crystal with diploid faces, unusual for Pyrite. The matrix of the piece is two lenticular crystals of Siderite.
Tres Cruces, Potosí  Bolivia (1999)

Specimen size: 5.3 × 2.6 × 3.1 cm = 2.1” × 1.0” × 1.2”

Main crystal size: 0.9 × 0.9 cm = 0.4” × 0.4”

AR17N4: Growth of very bright and deep colored small crystals, with small white crystals of Calcite on their surface and on matrix.
Cantera La Bolsa, Paraje La Bolsa, Artigas  Uruguay (04/2006)

Specimen size: 7.8 × 6.3 × 7 cm = 3.1” × 2.5” × 2.8”

Main crystal size: 0.3 × 0.3 cm = 0.1” × 0.1”

AL76N4: Well defined crystals of Ferberite with very acute terminations. They are bright, with interpenetrated sheets of Muscovite and octahedral crystals of Fluorite with small cube faces.
Yaogangxian Mine, Yizhang, Chenzhou, Hunan  China

Specimen size: 7.5 × 6.5 × 7.2 cm = 3.0” × 2.6” × 2.8”

Main crystal size: 4.5 × 3.6 cm = 1.8” × 1.4”

AH66N4: Prismatic crystals of cinnabar of hexagonal contour and flat terminations, with excellent color and luster, on a Dolomite and Quartz matrix.
Chatian, Fenghua, Hunan  China

Specimen size: 5.9 × 4.9 × 3.9 cm = 2.3” × 1.9” × 1.5”

Main crystal size: 0.7 × 0.7 cm = 0.3” × 0.3”

AA90N4: Group of black twinned crystals of excellent luster and very well defined forms. They are with small tabular crystals of Beryl.
Shaobaodin Mountains, Pingwu, Sichuan  China

Specimen size: 5.9 × 4.9 × 2.3 cm = 2.3” × 1.9” × 0.9”

Main crystal size: 1.9 × 1.1 cm = 0.7” × 0.4”

AM97N4: Group of crystals of excellent color, luster and transparency, on Calcite matrix. The main crystal clearly shows, on its upper part, the twin that is named for the species.
Pein Pyit, Mogok, Mandalay  Myanmar (2003)

Specimen size: 4.7 × 3 × 2.6 cm = 1.9” × 1.2” × 1.0”

Main crystal size: 0.6 × 0.4 cm = 0.2” × 0.2”