Precious Opal in Matrix Group.

A group of ten specimens of dark orange opal in a matrix, each in a white card tray with label reading: 'Opal in matrix, Bocoyna, Chihuahua, Mexico'. 252 grams total, 34-46mm (1 1/4 - 1 3/4"). From a

A sawn block of red-brown sandstone, polished on two sides, with areas of precious opal diffracting light in primarily purples, blues and greens, in white card tray. See Bonewitz, Dr. Ronald Louis, Ro

A group of six pieces of gem-quality, white-base opal, from Australia, with red, blue, and green fire. Found Australia; from the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd

Large and finely carved, Chinese opal matrix figural group; depicting Guanyin seated in a position of ease, leaning against two coiled dragons behind her, and with a young boy to one side; the creamy

Nice group of six semi-precious stones from the John Heizer estate, Nevada Mining Engineer. Beautiful jade sample with 2 cut, polished edges; two euhedral garnets; gorgeous precious opal leaning towar

. A group of over 20 matrices containing fire opal. 690 grams total, 36-54 mm (1 3/8 - 2 1/8 in.). Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [27, No Reserve]

A mixed group of mineral samples comprising: purple fluorite, blue opal, native copper, specularite with quartz, pyrite with quartz and sphalerite, bournonite with quartz, vanadinite, opal in matrix,

A group of 26 pieces of fire opal in matrix. 617 grams total, 33-53 mm (1 1/4 - 2 1/8 in.). From Mexico. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [26, No Reserve]

Large Chinese carved boulder opal group; showing birds amid flowers, rendered from the translucent stone showing fine play of color; in a naturalistically carved matrix; H: 5 3/4" (approx.&#41

Large opal carving of two figures. Measures approiametly 5.5 inches in height by 4 inches in width by 1.25 inches in depth. The stand measures 2.5"w x 1" h x 1.5 dProvenance: A Princeton Professor *Th

(4) PIECE CHINESE SEMI PRECIOUS GROUP including an agate dish, length 7in., an agate bird of paradise, 2.75in., and a rock crystal monkey and frog, 1.5in., overall good condition

Chinese carved opal group; centering a cloud motif, with incised design of flowers and birds; flanked by dragon and phoenix contesting flaming pearl; L: 3 1/2" (approx.); wood stand

14 kt. Yellow Gold and Precious Opal Channel Set "Saddle" Ring, unmarked, size 7, total wt. 4.0 dwt

The heart appx. 1 5/8" tall including bail, 1.25" wide at widest. Marked "14K" and ".585" on suspension clasp. Opal with good fire and color.

An opal doublet pendant, comprising an oval precious opal doublet, displaying play-of-colour mostly ranging from green to purple on dark blue ground, to a scalloped mount and plain bail, yellow metal

Est. $ 80 - 120 Carved Opal Matrix Fisherman. Measures 3.375 inches tall including base. Some wear to fish tail on back of carving.

Title: PRECIOUS OPAL 3.51 ct Gemstones: Opal Carat Weights: 3.51 ct Size/Dimensions:12.90 x 10.50 x 6.30 mm Additional Info: Reserve: $50.00 Shipping: Domestic: Flat-rate of $18.00 to anywhere within

Collectible opal stone pieces, with case holder. Approx. 12.6 gram (total weight).

Eocene Period, 58-36 million years B.P. A group of four Knightia sp. fossil fish in three matrices. 176 grams total, 74-97 mm (2 7/8 - 3 7/8 in.). From Wyoming (Green River Formation), USA. From a Lin

Ordovician Period, 485-444 million years B.P. A group of two matrices, each containing at least one fossil starfish. 128 grams total, 62-67 mm (2 1/2 - 2 5/8 in.). From Germany. From a Lincolnshire, U

Ordovician Period, 488-444 million years B.P. A group of three fossil Ogygius corndensis(?) trilobite specimens in three irregular matrices. 273 grams total, 5.3-10.5 cm (2 - 4 1/8 in.). From a Lincol

16th-18th century A.D. A group of two seal matrices with pierced trefoil handles: one with facetted shank and oval die inscribed with a monogram; one with circular die engraved with the initials H-S e

Ordovician Period, 485-444 million years B.P. A pair of matrices, each containing a Petraster sp. fossil starfish. 356 grams total, 82-93 mm (3 1/4 - 3 5/8 in.). From a Cambridgeshire, UK, collection.

Title: 2.2 CT PRECIOUS OPAL - UNTREATED GEMSTONE Origin: South Welo, Amhara Prov. Ethiopia Size: 1.1x0.65x0.6 cm / 0.44 gram Description:translucent precious opal with very good play-of-color Reserve: