Sphärosiderite - mindat.org
Once considered its own species, this spharosiderite is now considered to be a microcrystalline, botryoidal variety of siderite. It is classic and unique material, though, and comes at its best from this old mine in Romania. This specimen is complete-all-around, and is a gorgeous and rich example of both the species variety, ...
Herja Mine, Baia Mare, Maramureș County, Romania
3.9 x 3.0 x 2.3 cm. A perfect dome of calcite, tinted a beautiful dove-grey by inclusions of jamesonite - from Romania. These sometimes also take the form of aggregates of bladed crystals from different pockets at the same locality. Quite a unique calcite form and color that you do not see from anywhere else! These were once common in the early ...
The Mineral siderite - The Mineral and Gemstone Kingdom
In Romania, fine Siderite has come from the ore mines of Mamarues Co., especially at Kapnik and the Turt Mine. In, England specimens have come from the Carn Brea area, in Cornwall. Platy Siderite crystals have been abundant in China at the Yaogangxian Mine, Hunan Province.
Siderite from Herja Mine, Baia Mare, Maramureș County, Romania
A novel morphological type of siderite in the jamesonite paragenesis from Herja (Maramures County, Romania). Studia UBB, Geologia, 51 (1), 23-27.;
Reference Specimens / Romania / Fabre Minerals
ED27T8: Botryoidal growths of small crystals of Rhodochrosite with an intense pink color and very bright, with brown globular growths of Siderite and crystals of Quartz. Boldut Mine, Cavnic mining area, Cavnic, Maramures Romania (1960-1970) Specimen size: 12.3 × …
Siderite - Georgia State University
Siderite is a member of the calcite group of carbonates along with rhodochrosite and Smithsonite. Siderite is a minor ore of iron. Its name derives from sideros, the Greek word for iron. Looking profoundly different from the sample above, this siderite is from Baia Sprie, Crisana-Maramures, Romania and measures about 12x14 cm.
(PDF) A novel morphological type of siderite in the jamesonite ...
Apr 1, 2006 · The loose jamesonite felted masses found in several vein-type Miocene ore deposits in Romania, at Herja in particular, host a very rich and peculiar mineral assemblage. This study concerns a...
Siderite var. Spharosiderite: Baia Sprie mine, Romania
Species: Siderite var. Spharosiderite. Locality: Baia Sprie mine, Baia Sprie, Maramures County, Romania. Dimensions: 11.5 x 9.5 x 2.5 cm. SOLD. This unusual botryoidal variety of siderite, known as ‘spharosiderite’, is a classic from Romania’s well-known Baia Sprie mine, and this is the best example I have personally ever seen of this ...
Calcite, Siderite & Quartz, Herja Mine, Baia Mare, Romania.
Superb specimen with elongated gem calcite crystals and fine siderite crystals on stocky quartz. Calcite, quartz and siderite crystals from the Herja mine in Baia Mare, Romania. https://www.minerals-and-crystals.com/wp-content/uploads/2024/04/436352410_7551699168250140_4967448794335686741_n.mp4
mosaic-like structures, were proved to be siderite. The described morphological type of siderite represents a novelty for Herja ore deposits, possibly also for Romania and for the entire Carpathian region. Key words: siderite, morphology, XRPD, jamesonite, paragenesis, Herja, Romania INTRODUCTION The Herja deposit belongs to the Baia Mare