Aquamarine Crystal on Acrylic Base A stout aquamarine crystal of pastel blue color showcasing its prismatic growth habit with hexagonal cross-sect...

Beryl var Aquamarine Shigar Valley, Skardu, Gilgit-Baltistan, Pakistan This impressive, completely transparent gem crystal of Aquamarine stands 7....

Aquamarine with Schorl and Feldspar Erongo Mountains, Erongo Region, Namibia A wonderful, showy piece with a nice balance of contrasting color, fo...

Aquamarine with Muscovite Measuring approximately 17 x 14 x 7 cm For further information on this lot please visit Bonhams.com For further info...

Aragonite Cave Stalactite Chihuahua, Mexico The sculptural qualities of this popcorn-like cluster of stalactitic aragonite are undeniable. This is...

Azurite with Malachite Morenci, Greenlee County, Arizona Azurite and malachite are both copper carboanate and commonly found together, but less co...

Phantom Calcite Cluster Vulcan Quarry, Racine, Wisconsin, USA. Measuring approximately 10 x 8 x 5.5 cm For further information on this lot please...

Large Golden Calcite with Double Termination Elmwood Mine, Carthage, Smtih County, Tennessee, USA This is a large, rich golden, amber-colored twin...

Chalcopyrite 'Blueberries' Tonglushan Mine, Daye Co., Huangshi, Hubei, China A fascinating cluster of spherules of chalcopyrite having excellent i...

Two Chrysocolla Spheres Peru Two classic Peruvian chrysocolla spheres which are well-polished to reveal brilliant bluish green colors. Diameter ...

Natural Citrine Specimen This fine crystal has deep smoky-citrine color and high diaphaneity. The parallel growth on the prism faces lends a very ...

Three Elbaite Crystals A wonderful set of tourmaline habits, colors and localities from Minas Gerais, Brazil. The 'little rocket' scepters from Ba...

Epidote Maldin Koh, Maldin, Ras Koh Mountains, Kharan District, Balochistan Region, Pakistan This is a fine floater cluster of the strange pseudoh...

Fluorite with Siderite and Calcite Pasto Bueno, Pampas District, Pallasca Province, Ancash, Peru A wonderfully balanced mixture of luster, form, c...

Fluorite on Quartz La Viesca Mine, Asturias, Spain A small cluster of purple and blue intergrown cubic crystals of fluorite which have very good l...

Purple Fluorite on Sphalerite on Acrylic Base Elmwood Mine, Carthage, Smtih County, Tennessee, USA A choice purple cubic fluorite crystal perched ...

Smoky Quartz and Amazonite on Acrylic Base Smoky Hawk Mine, Florissant, Teller County, Colorado, USA This is a fine example of this kind of combin...

Ferruginous Quartz Tinejdad, Errachidia Province, Drâa-Tafilalet Region, Morocco Deep brick red quartz crystals from here made a splash on the min...

Smoky Quartz Göschenen, Reuss Valley, Uri, Switzerland A very gemmy smoky quartz from the famous St. Gotthard pass area of Switzerland. In fine co...

Smoky Quartz together with a Quartz Cluster with Chlorite Smoky quartz, Brazil, measuring approximately 7.5 x 4.5 x 5 cm Quartz cluster with chlor...

Smoky Quartz on Acrylic Base Recruta farm, Anagé, Bahia, Brazil At first glance, this could be a scheelite from South Korea, but careful observati...

Bi-color Tourmaline on Acrylic Base Paprok, Kunar, Afghanistan This is a fine elbaite tourmaline with lovely color zonation that reflect the chang...

Two Tourmalines Golconda Mines, Governador Valadares, Minas Gerais, Brazil The present offering consists of two clusters of pleasant silvery-blue ...

Tourmaline Crystal on Acrylic Base Steel Blue Pocket (2004), Pederneira Mine, Minas Gerais, Brazil This a fine silvery-blue, almost indicolite, co...

Zoisite on Acrylic Base Merelani Hills, Manyara Region, Tanzania This crystal is a very fine, sharp and lustrous yellow zoisite. Tanzanite is the ...