Fluorite on Matrix - SOLD
Walworth Quarry, Walworth, New York, USA
5.0 x 5.0 x 4.6 cm

MMB-604 - A gem of a fluorite crystal (1.7 cm) rises from a matrix coated with tiny dolomite rhombs in this lovely specimen from the classic locality of Walworth, New York. Specimens of this quality are highly sought after and truly do rival the treasured fluorites from Dal'negorsk, Russia.

– ex Irv Brown Collection

Azurite - SOLD
Liufengshan Mine, Anhui Province, China
9.2 x 7.3 x 7.2 cm

MMB-607 - A very aesthetic, three-dimensional cluster of azurite balls ranks among the finest from China. There are 6+ distinct rosettes, or balls, in this piece each showing great luster and deep royal blue color. Very dramatic in person!

– lucite base with label

Tourmaline w/ Lepidolite - SOLD
Himalaya Mine, San Diego County, California
10.0 x 3.8 x 3.0 cm

MMY-1206 - A unique masterpiece...gemmy purple lepidolite clusters accent a doubly terminated pair of pink tourmaline crystals from the famous Himalaya Mine in San Diego County, California. In the photo, the bottom termination of the large crystal is flat and glassy. The crystal on the left side of the piece has a pyramidal termination on the bottom. Superb! A terminated sidecar crystal juts out from the left. No repairs...wonderful from any angle.

– Custom lucite base

Fluorite Stalactite w/ Quartz & Galena - $350
Rogerley Mine, Weardale, Co. Durham, England
8.2 x 6.7 x 7.9 cm

MMB-701 - This unusual stalactite specimen from the famous Rogerley Mine is covered with green fluorite showing good transparency and a selective dusting of sugary quartz. Galena octahedrons are interspersed throughout. The specimen displays well from any angle. An English classic of a type rarely found during collecting at the Rogerley.

Calcite on Amethyst - SOLD
Guanajuato, Mexico
5.7 x 4.4 x 3.2 cm

MMB-699 - Color-less "wheat-sheaf" calcite crystals with a zoning band running through the center nicely contrast with rich purple amethyst in this attractive small cabinet specimen. Such examples from Guanajuato were mined years ago and only seldom show up in the mineral market today.

Bournonite with Quartz & Fluorite - $950
Yaogangxian Mine, Hunan Prov., China
4.2 x 2.4 x 1.6 cm

MMB-697 - A sharp-edged, slightly flattened crystal of bournonite with both terminations visible intersects several flattened quartz prisms in this "toenail" sized specimen from China. There is one crystal contact and an unobtrusive nick on one edge. Perched at the intersection of the quartz and bournonite is a fluorite crystal.

Fluorite with Dolomite - SOLD
Shangbao Pyrite Mine, Hunan Prov., China
11.8 x 10.7 x 10.7 cm

MMB-557 - This exceptional cabinet specimen showcases modified cubic fluorite crystals (to 3.8 cm) that are truly water clear and contain phantoms that provide a purple "blush" to the whole specimen. Dolomite, quartz, and small pyrite crystals add appeal to the piece and make it a treat to examine in your hands. A "knob" of matrix hosts the mineralization, making this a specimen that is equally attractive from 360 degrees. — Custom Lucite Base

Ferberite with Quartz - SOLD
Yaogangxian, Hunan Prov., China
7.7 x 6.4 x 4.9 cm

MMB-559 - A large and lustrous, striated ferberite crystal with fine termination is accented by a contrasting white quartz crystal (also terminated). Calcite crystals cover the back, along with minor arsenopyrite and muscovite. Complete and undamaged.

Siderite with Quartz - $450
Morro Velho, Nova Lima, Brazil
7.6 x 6.0 x 3.3 cm

MMB-564 - Two quartz crystals accent a cluster of yellow-orange siderite rhombs (to 4.6 cm!) in this small cabinet specimen from the 1950's. Morro Velho, worked for its gold ore, is among the deepest mines in the world, extending nearly 3000 meters into the earth. These specimens are rarely seen in the market.

Clinozoisite (Epidote) - $2350
Hashupa, Shigar Valley, Baltistan, Pakistan
12.0 x 2.5 x 1.0 cm

MMS-190 - Exceptional size, luster, transparency, complete termination...these combine to make this a very fine clinozoisite (epidote) specimen from Pakistan. A number of specimens of this size and quality were taken from a pocket in the 90's, and only occasionally do they return into the marketplace for sale. A killer gem crystal!