Haidingerite is a mineral named after Austrian mineralogist, Wilhelm Karl von Haidinger. This mineral is composed of copper, iron, hydrogen, and carbonates. The pronunciation of Haidingerite is [haɪˈdɪŋəraɪt], which can be broken down into individual phonemes. 'Hai' is pronounced as 'haɪ', which represents the long 'i' vowel sound. 'Dinger' is pronounced as 'dɪŋər', with the stress on the first syllable. 'Ite' is pronounced as 'aɪt', representing the 'long i' sound. Haidingerite is found in places such as Austria, Iran, and Arizona.
Haidingerite is a mineral that belongs to the carbonate mineral group. It is named after the Austrian mineralogist Wilhelm Karl Ritter von Haidinger, who discovered it in the year 1828. Haidingerite is commonly found in oxidized lead ores and is associated with other minerals such as cerussite, anglesite, and galena.
The mineral has a chemical formula of CaHAsO4·H2O, indicating its composition that includes calcium (Ca), hydrogen (H), arsenic (As), oxygen (O), and water (H2O). It typically appears as small, elongated crystals, which may have a prismatic or acicular shape. These crystals often form fan-shaped aggregates or radiating clusters. Haidingerite is also known for its distinct pale green color, which can be slightly yellowish or bluish.
In terms of physical properties, haidingerite has a hardness of 3.5 on the Mohs scale, making it a relatively soft mineral. It has a vitreous to pearly luster and a perfect cleavage in one direction. The mineral is transparent to translucent and has a specific gravity of around 3.30.
Haidingerite is known to exhibit fluorescence under ultraviolet light, typically displaying a yellowish-green glow. It is a secondary mineral that forms in oxidized zones of lead ore deposits, often as a result of the interaction between lead minerals and arsenic-rich fluids.
Although haidingerite does not have any significant industrial uses, it is valued by collectors and mineral enthusiasts for its unique crystal habit and fluorescence. Its rarity and association with other minerals also contribute to its desirability among collectors.
The word "Haidingerite" is derived from the name of the Austrian mineralogist Wilhelm Karl Ritter von Haidinger. Haidinger (1795-1871) was a prominent figure in the field of mineralogy during the 19th century. He made significant contributions to the understanding of various minerals, including the identification and description of several new minerals. In recognition of his contributions, the mineral "Haidingerite" was named after him.