Gismondine

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Gis`mon´dine

(jĭs`mǒn´dĭn)

(Min.) A native hydrated silicate of alumina, lime, and potash, first noticed near Rome.

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.

References in periodicals archive ?

Caption: Figure 4: X-ray diffraction of coal gangue after [Na.sub.2]C[O.sub.3] activation and [H.sub.2]S[O.sub.4] wash and typical chemical formula of the mineral components: quartz (Si[O.sub.2]), kaolinite ([Al.sub.2][Si.sub.2][O.sub.5][(OH).sub.4]), albite (NaAl[Si.sub.3][O.sub.8]), nepheline (K[Na.sub.3][(AlSi[O.sub.4]).sub.4]), lime (CaO), sodium silicate ([Na.sub.2]O-nSi[O.sub.2]), illite (K[Al.sub.2] [(Al,Si)Si3[O.sub.10]]), ankerite (CaMg[(C[O.sub.3]).sub.2]), siderite (FeC[O.sub.3]), and gismondine (Ca([Al.sub.2][Si.sub.3][O.sub.10])3[H.sub.2]O).

A novel environmental route to ambient pressure dried thermal insulating silica aerogel via recycled coal gangue

Accordingly, the alkaline hydration reaction of the alternative cementitious material possibly produces sodium and/or calcium alumino silicate based compounds such as sodalite, natrite, gismondine, calcium silicate hydrate gel, sodium alumino silicate hydrate gel, and calcium sodium alumino silicate hydrate gel [5, 26].

Synthesis of a cementitious material nanocement using bottom-up nanotechnology concept: an alternative approach to avoid C[O.sub.2] emission during production of cement

Formation of the aluminosilicate zeolite gismondine is also observed.

Materiales de activacion alcalina: cementando un futuro sostenible

In the spectra of exposed specimens, peaks due to gismondine be came quite prominent including those of albite and chabazite.

Durability of fly ash geopolymer mortars in nitric acid--effect of alkali ([Na.sub.2]O) content/Geopolimerinio skiedinio, pagaminto naudojant lakiuosius pelenus, ilgaamziskumas azoto rugstyje: sarmu ([Na.sub.2]O) kiekio poveikis

The present study was prompted by a serendipitous discovery of well-formed crystals of gismondine, chabazite-Ca and mesolite in a road cut near Laurel, Quebec, by Canadian Museum of Nature staff in 1983.

Gismondine Ca[[Al.sub.2][Si.sub.2][O.sub.8]] x 4.5[H.sub.2]O

Zeolite occurrences in the Central Metasedimentary Belt of the Grenville Province, Ontario, Quebec and New York State

Short mineralogical notes on natrolite, thomsonite, phillipsite, gismondine and analcime assemblages were presented by Muhlstein and Fengl (1977), gmelinite by Barta and Rychly (1979) and Rychly et al.

The zeolites, such as analcime, gismondine, natrolite, thomsonite, and barium-bearing phillipsite-Ca were observed in irregular vugs and larger amyg-daloidal cavities within the zeolitized trachyandesite facies.

Zeolite-bearing trachyandesite from Dobranka, Ceske stredohori Mts.: petrography, geochemistry and amygdale mineralogy

However, adding activated silica fume into cement-stabilized soil mixed with seawater promotes the early hydration products at the initial period of cement hydration, resulting in the fact that the content in early hydrated calcium silicate (XRD studies show that calcium silicate hydrate crystals are [Ca.sub.2]Si[O.sub.4] x 0.35[H.sub.2]O with a calcium silicon ratio C/S = 2 > 1.5, which belongs to a high alkaline calcium silicate hydrate) and hydrated calcium aluminosilicate (also known as gismondine, CaO x [Al.sub.2][O.sub.3] x 2Si[O.sub.2] x 4[H.sub.2]O) is being higher and exhibiting high diffraction peaks.

Macroscopic and microscopic mechanisms of cement-stabilized soft clay mixed with seawater by adding ultrafine silica fume

Gismondine [Ca.sub.4]([Al.sub.8][Si.sub.8][O.sub.32])*16[H.sub.2]O

Famous mineral localities: the Francon quarry, Montreal, Quebec

(= roggianite) (1997), 1571 Gismondite (= gismondine) Coombs et al.: Can.

The IMA Commission on New Minerals and Mineral Names: Procedures and Guidelines on Mineral Nomenclature 1998

The type localities for no less than eight of the approximately 49 known zeolites (barrerite, dachiardite, gismondine, merlinoite, montesommaite, phillipsite, pollucite, and willhendersonite) are within its borders.