The correct spelling of the word "urerythrin" is ʌrəˈrɪθrɪn, which is a type of protein found in certain bacteria. The first syllable is pronounced with the 'schwa' sound, while the second syllable has a short 'i' sound followed by the 'th' sound. The word ends with the 'rin' sound, which is pronounced like 'reen'. The IPA phonetic transcription helps to accurately represent the pronunciation of the word, which can be important in scientific research or communication.
Urerythrin is a rare, fluorescent red mineral belonging to the class of phosphates, arsenates, and vanadates. It is primarily composed of uranyl phosphate with the chemical formula (Ca,Na,K)(UO2)2(PO4,SO4)2·8-12H2O.
Urerythrin is typically found as fibrous aggregates or crusts coating other minerals, such as phosphates or uranium-bearing ores. It commonly occurs in arid environments, often associated with primary uranium minerals.
Its unique coloration is due to the presence of uranium in its composition. Urerythrin fluoresces bright red under ultraviolet light, making it visually distinct and easily identifiable.
The physical properties of urerythrin include a vitreous to pearly luster, a translucent to somewhat transparent appearance, and a red streak. It has a relatively low hardness, typically ranging from 2 to 2.5 on the Mohs scale.
From a geological perspective, urerythrin acts as a secondary mineral, forming as a result of the alteration of primary uranium minerals. This alteration process occurs due to the oxidation of uranium-bearing ores in the presence of phosphates and sulfur compounds.
Due to its rarity, fluorescence, and vibrant red color, urerythrin has become a prized specimen for mineral collectors and researchers alike. Its distinctive characteristics make it easily identifiable, further contributing to its popularity in the mineral collecting community.
A red pigment found in the urine in certain fevers, especially rheumatic fever.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "urerythrin" originates from a combination of two terms: "urine" and "erythrin".
The term "urine" refers to the liquid waste excreted from the kidneys and eliminated by the body. It comes from the Latin word "urina" meaning "urine" or "to urinate".
On the other hand, "erythrin" is derived from the Greek word "erythros" meaning "red". In the context of urerythrin, it refers to the reddish color exhibited by certain pigments found in urine, particularly after exposure to certain chemicals or substances.
Therefore, the word "urerythrin" can be understood as a combination of "urine" and "erythrin", describing the reddish coloration found in urine due to specific pigments.