Goethite, pyrite, and calcite specimen

A mixed group of mineral specimens, each accompanied by a collector's identification label detailing the location of the find: calcite; goethite; pyrite; calcite analcime. 345 grams total, 38-59 mm ea

Quartz, Calcite, Vanadinite, Hollandite, Smoky Quartz, Wulfenite, Mimetite, Malachite, Sphalerite, Cerussite, Sessonite Garnet, Amazonite, Microcline, Goethite, Beryl, Barite, Corundum, Pyrite and Opa

UNIQUE LAPIS LAZULI, PYRITE & CALCITE SPECIMEN - (L86) 2.0 LBS Height: 5.5 in. by Width: 4 in. by Depth: 1.25 in.

Pyrite or fool's gold cluster on a calcite matrix mineral specimen, together with a lucite stand with four fitted brass arms. 4.5" H x 4" W x 3.5" D on stand.

Unique specimen of pyrite on quartz and calcite. 75x60mm.

LAPIS LAZULI, CALCITE & PYRITE SPECIMEN - (L52) 10.4 LBS - FLOURESCENT UNDER UV LIGHT. Height: 9 in. by Width: 9 in. by Depth: 4 in.

LAPIS LAZULI SPECIMEN WITH PYRITE & CALCITE STREAKS - (L55) 2.6 LB Height: 6.0 in. by Width: 4.0 in. by Depth: 1.25 in.

LAPIS LAZULI SPECIMEN WITH PYRITE & CALCITE STREAKS - (L56) 1.8LBS Height: 6.25 in. by Width: 2.5 in. by Depth: 1 in.

"A" GRADE POLISHED LAPIS LAZULI SPECIMEN WITH PYRITE & CALCITE STREAKS - 7.6LBS Height: 12 in. by Width: 5 in. by Depth: 3 in.

LAPIS LAZULI SPECIMEN WITH PYRITE & CALCITE INCLUSIONS - (L58) 4.4 LBS Height: 7.5 in. by Width: 6 in. by Depth: 1.25 in.

Pyrite, Galena, Pink Calcites Sphalerite Specimen Peru 1980's 4oz

5.4 kg. total weight, 11 pieces total, largest 2-3/4 x 6-1/4 x 5 in.

A fine specimen of a hexagonal calcite crystal on a pyrite and galena matrix, in white card tray. 39 grams, 37mm (1 1/2"). From a historic ‘Victorian Museum’ collection; from the stock of Gregory,

New Mexico Collection: Pyrite, Calcite, Mesolite, Brochantite, Hemimorphite, Fluorite Charlie Hall Collection

Excellent natural specimen

Missouri Collection: Barite, Chalcopyrite/Dolomite, Galena/Chalcopyrite, Pokrovskite, Calcite, Calcite/Pyrite, Marcasite/Calcite, Galena/Quartz Charlie Hall Collection

A mixed group of mineral specimens, each accompanied by an identification label detailing the location of the find: fluorite; iridescent goethite; rutile; calcite; chenevixite; azurite and chalcocite;

Including Colorado Quartz, Beryl (var. Aquamarine), Quartz (Calcite, Pyrite), Smoky Beryl, Smoky Quartz, Calcite, Barite and more.

Colorado: Beryl (var. aquamarine), Smoky Microcline, Smoky Muscovite, Microcline, Smoky Albite Microcline, Muscovite, Goethite (after Pyrite), Cleavelandite.

A group of 14 mineral specimens including fluorite, fluorite and mimetite, calcite with pyrite, apophyllite (2), calcite stalactite, amethyst, tabular aragonite, amethyst druse, galena and chalcedony,

Amethyst, quartz, calcite, and pyrite on faux bronze in the form of an eagle, mounted to a marble platform, manner of Amador Braojos. 18"h x 12"w x 10.5"d **Please Note: This item is NOT eligible for

A dozen specimens from unknown locations of Iron Pyrite, Chalcopyrite, Galena, and Calcite. Might even be some Sphalerite and Bornite in there. Specimens range in weight from about 544 grams (the larg

DESCRIPTION: Three polished Afghani lapis lazuli specimens. All with pyrite inclusions and banded calcite inclusions. MEASUREMENTS: 1) 5" long x 5-1/4" wide x 1-1/4" thick at widest points; weighs 1,0

DESCRIPTION: Two polished Afghani lapis lazuli specimens. Both with pyrite inclusions and banded calcite inclusions. MEASUREMENTS: 1) 6" long x 4" wide x 3" thick at widest points; weighs 1,598.6 g. 2