LARGE NATURAL CRYSTAL FORMATION, SLAB, UP TO 3.5"

Large cerulean blue to light blue hue natural rock crystal mineral formations 6" tall x 11" wide.

Large bright blue to clear hue crystal geode formations. Approx 11" wide x 7" tall for pair.

Large white Aragonite specimen, Wenshan Mine, China, natural milky white crystal formation, approx. 6"h x 12"squ Provenance: The Collection of Hester Diamond; Astro Gallery of Gems, NYC (appraised in

DESCRIPTION: Large natural white quartz geode with large formation of crystals. CIRCA: 21st Century. ORIGIN: Unknown. DIMENSIONS: H: 4" W: 11 1/2" D: 5 1/4" CONDITION: Good condition. See lot descript

Large and tall blue grey to crystal natural geode formations. 8" x 9" wide.

DESCRIPTION: Naturally occurring stone formation containing quartz crystals of varying sizes. Piece has a narrow fissure in one side, interior of which is heavily dusted with natural, clear quartz for

A large naturally formed piece of Aquamarine. The stone is presented in its uncut, raw form. The rock contains horizontal layers of crystal along with brownish hues. The stone is primarily a light sea

DESCRIPTION: Naturally occurring stone formation containing quartz crystals of varying sizes. Piece has a narrow fissure in one side, interior of which is heavily dusted with natural, clear quartz for

(3) Large natural mineral specimens, c/o clear Selenite slab found in Utah, amethyst with polished sides found in Uruguay, amethyst found in Minas Gerais Brazil, longest 18"

Super Quality Extra Large Chariote Slab Russia 1lb 3oz

Ocean Jasper Large Slab 1980's Material Madagascar 14 x 6

Large Yellow and Purple Fluorite Slab Red Fluorescent 1lb 5oz

Large Rainbow Flourite Slab

Large Amethyst Geode Quartz Specimen. Cluster of multi faceted crystals. Natural wear and inclusions. Measures 17 x 10-1/4" W x 7-1/2" W. Weighs 35 lbs. Shipping: Third party. (estimate $300-$400)

DESCRIPTION: Crystal cathedral geode heavily dusted with natural, deep purple, crystal points. Bottom of piece shows cross section of stone from which formations extend. CIRCA: 20th Century DIMENSIONS

DESCRIPTION: Crystal cathedral geode heavily dusted with natural, deep purple, crystal points. Bottom of piece shows cross section of stone from which formations extend. ORIGIN: Brazil DIMENSIONS: H:

Large crystal quartz geode specimen, in natural rock formation, approx 9.5"h, 21.5"w, 16"d, 113lbs Start Price: $80.00

LARGE PIECE OF PETRIFIED WOODA large, cubic fragment of petrified wood, unadorned and unmarred in naturalistic formation with quartz crystal growth.13 x 14 x 12 in. (33 x 35.6 x 30.5 cm.); weight: 104

A large fossil Knightia alta fish in matrix slab showing fine detail. 815 grams, 22.5cm (9"). From the Pradi Collection, Boston, USA; acquired during the 1980s; from the Green River Formation, Wyoming

Large Natural Crystal Geode Approximately 11in.W. x 6.25in.H.

A naturally formed piece of Blue Kyanite with a diverse color pallet. The stone contains hues of silver, gold, brown and black quartz formations.

DESCRIPTION: Amethyst crystal carved bird sculpture depicting a naturalistic pair of parrots perched on an amethyst large crystal slab specimen. CIRCA: 20th Century. ORIGIN: Brazil DIMENSIONS: W: 7" H

Enormous, Oversized Amethyst & Quartz Geode specimen. Shades of lavender natural crystal formations. Rough exterior with thick rock wall and bursting with color and light. Art deco conversation. Archi

Stunning clear quartz crystal aggregate. Brilliant natural crystal formations have very clear quality. Superb condition! Measures L 4.5" x H 2.5" x 3.5", weighs 8.4 oz/240g. (R17)