Brucite Crystals Cluster on Matrix - 6 KG - 25X20X8 CM

A chunky mineral specimen displaying dark purple amethyst crystals on a matrix. 1.06 kg total, 12.6 cm (5 in.). From Brazil. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [No Rese

Triassic Period, 250-200 million years B.P. A complete fossil Keichousaurus hui in a rectangular matrix. 2.6 kg, 32 cm (12 1/2 in.). Xingyi, Guizhou, China. Acquired 1950s-1960s. Bristol paleontologic

Miocene Period, circa 25 million years B.P.. Composed of several fossil sea urchins or sand dollars in a matrix. 4.6 kg, 34.5 cm (13 5/8 in.). From France.

Title: Chlorine Crystals Cluster On Matrix - 1338 GRAMS - 16x10 x7 cm Origin: Afghanistan Reserve: $150.00 Shipping: Domestic: Flat-rate of $23.00 to anywhere within the contiguous U.S. International:

Title: PYRITE, QUARTZ & SPHALERITE Origin: Deveti Septemvri Mine, Madan, Rhodope Mts. Bulgaria Size: 1.5x1.5x1 cm/ 6 gram pyrite crystal cluster with minor quartz and sphalerite Shipping: Domestic: Fl

A fine specimen of white through to deep purple amethyst crystals on matrix. 2 kg, 17cm (6 3/4"). Ex Dr M. G. 'Sam' Weller, MBE, collection, Cornwall, UK; formerly with Henson, Knight, Weller Exchange

Title: 5.55 Ct. Sapphire Crystal Cluster - Untreated Gemstone Origin: Zazafotsy Quarry, Ihosy Dist. Ihorombe, Madagascar Size: 0.9x0.85x0.6 cm / 1.11 gram Description: complex blue sapphire crystal cl

Title: RADIATING ARAGONITE CRYSTAL CLUSTER Origin: Minglanilla, Cuenca, Spain Size: 2x2x1 cm / 6 gram Description: flattened radiating aragonite crystal cluster Reserve: $8.00 Shipping: Domestic: Flat

Title: ARAGONITE CRYSTAL CLUSTER Origin: Minglanilla, Cuenca, Spain Size: 2x2x1.5 cm / 6 gram Description: rusty brown aragonite crystal cluster Reserve: $3.00 Shipping: Domestic: Flat-rate of $6.00 t

Super RARE naturally occuring silver crystals on matrix; 6.5cm

Title: CREME COLORED ARAGONITE CRYSTAL CLUSTER Origin: Minglanilla, Cuenca, Spain Size: 2.5x2x1.5 cm / 6 gram Description: complex crEme colored aragonite crystal cluster Reserve: $10.00 Shipping: Dom

Jurassic Period, circa 200-190 million years B.P.. The matrix with two Dactylioceras tenuicostatum fossil ammonite specimens. 1.6 kg, 14 cm (5 1/2 in.). From the Holderness Coast, Yorkshire, UK. [No R

A large fine slab of deep orange citrine crystals on a matrix. 1.13 kg, 15cm (6"). From the historic ‘Victorian Museum’ and later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Grego

Assembled group comprising a crystal cluster in matrix, including quartz and others. [Largest: 4" H x 10 1/2" W x 6 1/2" D].

Title: OLIVE GREEN ANDRADITE CRYSTAL CLUSTER Origin: Guangzhou, Guilin, China Size: 3.5x2.5x1.5 cm / 42 gram dark olive green Andradite crystal cluster on matrix Reserve: $5.00 Shipping: Domestic: Fla

Item: Baryte Origin: Kamariza Mine, Lavrion, Greece Size: 3x2.5x1.5 cm transparent, laminar baryte crystal cluster on matrix. From the classic locality. In acrylic box. Please note that this lot has a

Title: CLEAR BLUE FLUORITE CRYSTAL CLUSTER Origin: Yaogangxian Mine, Yizhang Co. Chenzhen Prov. China Size: 3x2.5x1.5 cm / 15 gram clear blue fluorite crystal cluster on matrix Shipping: Domestic: Fla

A cut section of amethyst crystals of good colour on a custom-made display stand. 1.6 kg total, 12 cm high (21 cm high including stand) (4 3/4 in. (8 1/4 in.)). Ex Lincolnshire, UK, collection. [No Re

Item: Large impressive Pink Alunite big octahedron crystals on matrix - lab Origin: Poland Materials: Alunite Dimensions: 636 g - 14, 0 x 11,5 x 6,0 cm Pink color big alunite octahedron crystals on ma

Title: Yellow Alunite fantastic big specimen - lab Origin: Poland Materials: Alunite Dimensions: 246 g - 12,5 x 10,0 x 6,0 cm Yellow color big alunite octahedron crystals on matrix. Very impressive de

Title: Large impressive Purple Alunite big octahedron crystals on matrix - lab Origin: Poland Materials: Alunite Dimensions: 281 g - 10,3 x 10,3 x 6,0 cm Violet color big alunite octahedron crystals o

Item: Alunite Big Purple amazing octahedron crystals on matrix - lab grown Origin: Poland Materials: Alunite Dimensions: 347 g - 12,0 x 7,5 x 6,0 cm Beautiful violet/purple color big alunite octahedro

Materials: Astrophyllite Quartz with RiebeckiteDescription564 Grams Very Beautiful Brown Topaz Crystals on Matrix From Skardu Pakistan .Size 13.8 CM X 7.1 CM X 6.8 CMReserve: $100.00Shipping:Domestic:

Title: Crocoite Origin: Red Lead Mine, Dundas, Zeehan District, Tasmania, Australia Size: 2x1.5x1 cm / 4.68 gram small crocoite crystal cluster on brown gossan matrix Please note that this lot has a c