Arsenopyrite

A fine specimen of bornite, minor arsenopyrite and pyrite, displaying a blue, green and purple iridescence to the surface. 560 grams, 10.5cm (4"). Ex Dr M. G. 'Sam' Weller, MBE, collection, Cornwall,

1 7/8" Siderite Arsenopyrite Quartz- Nadan County Hechi Prefecture Guanggxi Zhuang Autonomous Region China

ArsenopyritePanasqueira MinesCovilhã, Castelo Branco District

ArsenopyriteYaogangxian Mine, Yaogangxian W-Sn ore field, Yizhang Co.Che

. A mineral specimen of arsenopyrite with quartz and dolomite from Portugal. 387 grams, 10.5cm (4"). Ex Dr M. G. 'Sam' Weller, MBE, collection, Cornwall, UK; from Panasquira, Beira-Beixa, Portugal. Dr

A highly unusual specimen of stepped cubic pyrite crystal overgrowths on arsenopyrite crystals, in old white card tray. From the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd

. With dense clusters of stubby prismatic crystals. 125 grams, 57 mm (2 1/4 in.). From Cornwall, UK. Collected in person from various parts of the world mainly between 1957-1966. From the private mine

Arsenopyrite Stary Thing Mine Trepca, Kosovo

Lustrous dark grey octahedral cuprite crystals, with a little associated silvery crystalline arsenopyrite, formed over a white quartz fragment. 20 grams, 38mm (1 1/2"). Ex Dr M. G. 'Sam' Weller, MBE,

2 7/8" Quartz, Flourite Arsenopyrite Hunan, China

. A specimen of arsenopyrite with tiny submetallic crystals over a crystalline mass. 22 grams, 25mm (1"). Ex Dr M. G. 'Sam' Weller, MBE, collection, Cornwall, UK; collected 19th century; from Trebarwi

A mineral specimen containing pyrite and arsenopyrite crystals; supplied in a display case with old collector's identification label. 46.6 grams total, 45mm (box: 76 x 60 x 35mm) (1 3/4 (3 x 2 1/4 x 1

A specimen of arsenopyrite crystals; supplied in a display case with old collector's identification label. 52 grams total, 35mm (box: 76 x 60 x 35mm) (1 1/2 (3 x 2 1/4 x 1 1/2)"). From the historic ��

A highly unusual specimen of stepped cubic pyrite crystal overgrowths on arsenopyrite crystals, in old white card tray. From the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd

A lustrous black, bladed wolframite crystals with silvery arsenopyrite, richly interformed in white vein quartz. 80 grams, 56mm (2 1/4"). Ex Dr M. G. 'Sam' Weller, MBE, collection, Cornwall, UK; from

Ferberite/Stannite Arsenopyrite/Quartz Hunan Province, China

Arsenopyrite Colebrook Hill Tasmania Australia

. An arsenopyrite specimen displaying sharp silver sub-metallic trigonal crystals developed over a crystalline core, mounted in a plastic display box. 25 grams, 23mm (1"). Ex Dr M. G. 'Sam' Weller, MB

. A mixed group comprising: mercury selenide on matrix from Clausthal, Germany; matrix-free arsenopyrite from Hunan Province, China; stephanite and silver crystals from Freiberg, Germany; two prismati

Polished window amethyst quartz (Brazil), spessartite garnet, hematic quartz (Brazil), stitite (Russia), peridot on basalt (San Carlos), arsenopyrite (Portugal), rutile (California) and a mineral crys

. A specimen of apatite with siderite, quartz, dolomite and arsenopyrite from Portugal. 1 kg, 13cm (5"). Ex Dr M. G. 'Sam' Weller, MBE, collection, Cornwall, UK; from Panasquera, Portugal. Dr Maurice

. A specimen of amethyst, a singular stubby pyramidal terminated crystal developed from a colourless crystalline mass with minor arsenopyrite at the basal attachment surface; unusual trigonal surface

A mixed mineral group comprising: a matrix free pyrite mass, an arsenopyrite specimen with a surface of elongated prismatic crystals, a botryoidal chrysocolla crystal development over a thin matrix, a

Two varied quartz specimens: one displaying silvery arsenopyrite crystals, with prismatic white quartz, and the second, a bright red hematitic jasper quartz and cassiterite sample. 65 grams, 37-50mm (