ELBAITE crystal with a blue INDICOLITE cap. The blue cap is translucent. Luster is vitreous. The crystal is 1.0 inch in length. Albite is the small white spot on the crystal. This specimen is thumbnail size. ELBAITE is a member of the Tourmaline group. INDICOLITE is the blue variety of Elbaite.

Peach colored, translucent TOPAZ crystal. The terminated end is vitreous but all of the sides are adamantine. There is conchoidal fracturing on one side and the bottom. Topaz is the birthstone for November. This piece is from the collection of Roger Maynard. Roger is a friend and was a long-time geologist with the US Geological Survey in New Mexico.

AQUAMARINE is the sky-blue to sea-green gem variety of BERYL. This Aquamarine is blue in color, gemmy, and transparent. The specimen is terminated with excellent crystal structure. The sides are adamantine while the top is vitreous. There is minor Muscovite (Mica). This piece is from the collection of Roger Maynard. Roger is a friend and long-time geologist with the US Geological Survey in New Mexico.

Peach colored TOPAZ crystal. The terminated end is rough but all of the sides are transparent. The white mineral is Albite (Feldspar). The Topaz can be cut into a gemstone. Topaz is the birthstone for November. This piece is from the collection of Roger Maynard. Roger is a friend and was a long-time geologist with the US Geological Survey in New Mexico.

Cluster of green PERIDOT crystals. Peridot is a green, gemmy variety of Forsterite (Olivine). The largest Peridot crystal is 1.1 inches in length. From Pakistan. Peridot is a highly desirable precious gemstone. Peridot is the birthstone for the month of August and the 16th wedding anniversary gemstone. This piece is from the collection of Roger Maynard. Roger is a friend and long-time geologist with the US Geological survey in New Mexico.

Reddish-Orange ball of SPESSARTINE, a member of the GARNET Group. The ball lies on a terminated QUARTZ crystal with minor Muscovite and Albite.

This piece glitters! Stunning color contrast of green Siderite “Blades” with brassy iridescent Chalcopyrite, whitish Calcite, and gray Tetrahedrite crystals in this specimen. The green blades of Siderite in this piece are very rare! Several of the Siderite blades are at least 0.5 inch long. The Calcite crystals are flattened and translucent. The luster of the Siderite is vitreous while the Chalcopyrite and Tetrahedrite have a brilliant metallic luster.

Cluster of large, green, translucent FLUORITE crystals with several CALCITE crystals. The Fluorite fluoresces Blue under long-wave UV light. Specimen is 6.1 inches in length. Largest Fluorite cube is 3.5 inches long. All Fluorite crystals have beveled edges, usually with etching. This specimen is from the collection of Roger Maynard. Roger is a friend and was a long-time geologist with the US Geological Survey.

Cluster of brilliant emerald-green Dioptase crystals on matrix. The largest dioptase crystal is 0.4 inches. Crystals are rhombohedral shape. The specimen is from the type location for dioptase: Altyn-Tyube deposit, Karaganda Region, Kazakhstan.

Stibnite is an Antimony Sulfide mineral. This specimen has one primary Stibnite crystal 5.4 inches long that is terminated at one end. The color is silver-gray. It has a metallic luster. The piece has many minor Stibnite crystals at one end. 

Cluster of brilliant emerald-green Dioptase crystals on matrix. The largest dioptase crystal is 0.5 inches. Crystals are rhombohedral shape. The specimen is from the type location for dioptase: Altyn-Tyube deposit, Karaganda Region, Kazakhstan.

Stibnite is an Antimony Sulfide mineral. This complex cluster has Stibnite blades as long as 4 inches. The color is silver. It has a brilliant metallic luster. The piece has minor white Calcite blades. 

A nice combination specimen from Pakistan of Apatite, Muscovite, & Albite.

Sphalerite, Huanggang Mine, Chifeng, Inner Mongolia, China

Petroleum-included Quartz

Specular Hematite crystals on Quartz

Museum-size Beryl variety Goshenite, with Scheelite and Calcite on Muscovite combo

Stunning color contrast of green Siderite “Blades” with brassy, iridescent Chalcopyrite crystals in this specimen. Several of the Siderite blades are 1-inch long. The luster of the Siderite is vitreous to pearly while the Chalcopyrite has a brilliant metallic luster.