Alvanite
Definition
A rare natural mineral from the hydrated vanadate class, structurally composed of a hydrated aluminum and zinc vanadate, having the chemical formula Al3(VO4)(OH)6·2H2O or related. It occurs as microcrystalline aggregates, crusts, or rosettes of a pinkish-yellow, white, or grayish color, found in the oxidation zones of uranium and vanadium deposits.
Bilingual Equivalents
- Alvanite
Grammatical & Source Details
| Inflection Type | Neuter noun with regular scientific and grammatical structural variations. |
| Formation | Scientific neologism named after its structural aluminum and vanadium chemical content with the suffix '-ite'. |
| Spelling / Pronunciation | [al.va.ˈnit] |
| Source | Handbook of Mineralogy, Systematic Crystallography and New Mineral Species |
Contextual Usage Examples
RO: Eșantionul extras din mina veche conținea cristale microscopice de alvanit asociate cu gips și minerale de uraniu.
EN: The specimen extracted from the old mine contained microscopic alvanite crystals associated with gypsum and uranium minerals.
RO: Analiza prin difracție cu raze X a confirmat prezența mineralului numit alvanit în crusta roșiatică.
EN: The X-ray diffraction analysis confirmed the presence of the mineral named alvanite in the reddish crust.
RO: Acest tip de alvanit este extrem de fragil și trebuie păstrat în condiții controlate de umiditate în laborator.
EN: This type of alvanite is extremely fragile and must be preserved under controlled humidity conditions in the laboratory.
Idioms & Phrases
Zăcământ de alvanit / Alvanite deposit
RO: Acumulare mineralogică rară localizată în zonele de alterare hidrotermală sau sedimentară bogate în vanadiu.
EN: A rare mineralogical accumulation located in hydrothermal or sedimentary alteration zones rich in vanadium.
Alvanit microcristalin / Microcrystalline alvanite
RO: Varietate structurală a mineralului ale cărei cristale individuale nu pot fi observate clar fără un microscop electronic.
EN: A structural variety of the mineral whose individual crystals cannot be clearly observed without an electron microscope.
Crustă de alvanit / Alvanite crust
RO: Strat subțire depus natural pe suprafața rocii gazdă prin precipitarea soluțiilor suprasaturate.
EN: A thin layer naturally deposited on the host rock surface through the precipitation of supersaturated solutions.
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