Armstrongite
Definition
A rare silicate mineral (hydrated calcium zirconium silicate, formula CaZrSi6O15·3H2O) characterized by monoclinic translucent crystals, light to reddish brown color, and vitreous luster. Discovered in the Khan Bogd massif in the Gobi Desert (Mongolia).
Bilingual Equivalents
- Armstrongite
- Mineral armstrongite
Grammatical & Source Details
| Inflection Type | Neuter noun, treated primarily as a mass substance or taking regular plural endings in technical registers. |
| Formation | Eponymous mineral name established by appending the standard mineralogical suffix '-ite' to the surname Armstrong. |
| Spelling / Pronunciation | [ˈɑːrm.strɒŋ.ɡaɪt] |
| Source | International Mineralogical Association (IMA) Nomenclature and Global Mineral Data Sheets |
Contextual Usage Examples
RO: Geologul a adus la laborator un eșantion rar de armstrongit extras din pegmatitele din Mongolia.
EN: The geologist brought to the laboratory a rare sample of armstrongite extracted from the pegmatites in Mongolia.
RO: Analiza cu raze X a confirmat structura monoclinică unică a acestui cristal de armstrongit.
EN: The X-ray analysis confirmed the unique monoclinic structure of this armstrongite crystal.
RO: Deși mulți cred că este adus de pe Lună datorită numelui, armstrongitul este un mineral pur terestru.
EN: Although many believe it was brought from the Moon due to its name, armstrongite is a purely terrestrial mineral.
Idioms & Phrases
Cristal de armstrongit / Armstrongite crystal / bladed armstrongite
RO: Agregat mineral de formă aplatizată sau sferică ce prezintă un clivaj perfect pe planul geometric structural.
EN: A mineral aggregate of flattened or spherical shape showing a perfect cleavage on the structural geometric plane.
Structură de armstrongit / Armstrongite framework / silicate layer structure
RO: Aranjament tridimensional mixt format din tetraedre de siliciu și octaedre de zirconiu ce rețin moleculele de apă.
EN: A mixed three-dimensional arrangement formed of silicon tetrahedra and zirconium octahedra that retain water molecules.
Eșantion tip de armstrongit / Type locality specimen of armstrongite
RO: Fragmentul mineral etalon colectat din regiunea Khan Bogd, utilizat pentru descrierea științifică oficială a speciei.
EN: The reference mineral fragment collected from the Khan Bogd region, used for the official scientific description of the species.
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