different between efflorescence vs nitrocalcite

English

Etymology

Borrowed from French efflorescence, from Latin efflorescere, which was from ex- (“out”) +? florescere (“to blossom”).

Noun

efflorescence (countable and uncountable, plural efflorescences)

1. (chemistry) The formation of a powdery surface on crystals, as a hydrate is converted to anhydrous form by losing loosely bound water of crystallization to the atmosphere.
2. (botany) The production of flowers.
3. (construction) An encrustation of soluble salts, commonly white, deposited on the surface of stone, brick, plaster, or mortar; usually caused by free alkalies leached from mortar or adjacent concrete as moisture moves through it.
4. (geology) An encrustation of soluble salts, deposited on rock or soil by evaporation; often found in arid or geothermal environments.
5. (figuratively) Rapid flowering of a culture or civilisation etc.
6. (pathology) A redness, rash, or eruption on the skin.

Derived terms

• effloresce
• efflorescent

Translations

French

Noun

efflorescence f (plural efflorescences)

1. efflorescence

English

Etymology

nitro- +? calcite

Noun

nitrocalcite (uncountable)

1. (mineralogy) A hydrated calcium nitrate mineral that forms as an efflorescence where manure contacts concrete or limestone in a dry environment, as in stables or caverns.

Further reading

• David Barthelmy (1997–2021) , “Nitrocalcite”, in Webmineral Mineralogy Database
• “nitrocalcite”, in Mindat.org?^[1], Hudson Institute of Mineralogy, 2000–2021.