#amfibol

• Actinite — A structural metamorphic rock or a variety of crystalline schist characterized by the predominant presence and radiating or fibrous arrangement of actinolite crystals (a mineral from the amphibole group). This technical term describes compact geological formations, created under medium temperature and pressure conditions, recognized for their greenish hues and specific acicular texture.
• Actinolite — A mineral belonging to the monoclinic amphibole group, with the chemical formula Ca2(Mg,Fe)5Si8O22(OH)2, characterized by a dark green or leek-green color. Structurally, it develops as acicular, fibrous, or radiating aggregates, being a common constituent of metamorphic rocks (such as greenschists). Its compact fibrous variety constitutes one of the mineral forms known as asbestos, while the dense microcrystalline variety forms nephrite (a type of jade).
• Actinote — A silicate mineral belonging to the monoclinic amphibole group, synonymous with actinolite, with the chemical formula Ca2(Mg,Fe)5Si8O22(OH)2. It occurs structurally as long prismatic crystals, often acicular, fibrous, or assembled in dark green, olive-green, or grayish radiating aggregates, being an essential component of many crystalline schists resulting from the regional metamorphism of basic magmatic rocks.
• Amphibole — A generic name for an extensive group of inosilicate minerals with a monoclinic or orthorhombic crystalline structure, composed of double chains of silicon dioxide tetrahedra. This structural group, which includes hornblende, actinolite, and tremolite, typically contains iron, magnesium, calcium, and sodium ions, being an essential constituent of many dark-colored igneous and metamorphic rocks.
• Amphibolic — Containing amphiboles or belonging to them; in petrography, it describes a rock or mineral structure dominated by the presence of inosilicates from the amphibole group. In biochemistry and physiology, the term describes a dual or hybrid metabolic pathway (such as the Krebs cycle) that functions structurally in both catabolic (breakdown) and anabolic (synthesis) processes.
• Amphiboly — A syntactic or semantic ambiguity of a sentence or statement that allows for two or more completely different logical interpretations, often due to faulty word order or lack of structural punctuation. In Kantian philosophy, the term describes an error of judgment by which a concept of pure reflection is confused with an object of empirical sensory experience.
• Amphibolite — A regional metamorphic rock, coarse or fine-grained, structurally formed from a crystalline mixture dominated by amphiboles (especially hornblende) and plagioclase, often accompanied by accessory minerals such as quartz, garnet, or epidote. This type of geological structure forms under high temperature and pressure conditions, specific to medium to advanced metamorphic facies.
• Amphibolic (archaic) — An obsolete, archaic, or regional adjectival form used in the past to describe a mineral, structure, or shade containing amphiboles or resembling them; in an old figurative or etymological sense, it can refer to something ambiguous or double (based on the Greek etymon meaning uncertain / thrown on both sides).
• Amphibological — Containing an amphibology or based on it; presenting a structural syntactic ambiguity that allows for dual or contradictory interpretations due to a faulty construction of the sentence. In logic, it describes an equivocal reasoning or statement where the meaning becomes confused not due to a single word, but due to the way the terms are grammatically arranged.
• Amphibology — A speech defect or involuntary figure of speech consisting of a syntactic ambiguity of a sentence or entire statement, making it susceptible to being understood in two or more different ways. Unlike lexical equivocation, structural amphibology does not arise from the double meaning of a single term, but from the faulty combination and ordering of words in the sentence.
• Amphibole — A generic name given to an important group of silicate minerals (inosilicates) rich in iron, magnesium, calcium, and aluminum, crystallizing in monoclinic or orthorhombic systems. These mineral structures are essential components of many igneous and metamorphic rock brands, presenting a characteristic shape of elongated prisms or thin fibers.
• Anthophyllite — In mineralogy, it represents a variety of amphibole (anthophyllite), a natural magnesium and iron silicate with a fibrous or lamellar structure; in botany, it can structurally refer to modified leaves composing a flower (perianth or reproductive elements); in zoology, it describes an organism or insect naturally attracted to flowers.
• Anthophyllite — A natural magnesium and iron silicate, crystallizing in the orthorhombic system, belonging to the magnesium amphibole group; a mineral with a lamellar, fibrous, or prismatic structure, colored gray, brown, or greenish, found chiefly in metamorphic rocks (crystalline schists). Its fibrous varieties are industrially utilized as asbestos resistant to acids and high temperatures, though their handling involves severe respiratory toxicity risks.