triplite


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triplite

[′trip‚līt]
(mineralogy)
(Mn,Fe,Mg,Ca)2(PO)4(F,OH) A dark brown, chestnut brown, reddish-brown, or salmon pink, monoclinic mineral consisting of a fluophosphate of iron, manganese, magnesium, and calcium; occurs in massive form.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
I then realized that these vesuvianites, and not triplite or v[per thousand]yrynenite, must be the "strange red minerals" that he had been talking about.
Everything that I had seen on this trip, and the fact that I had not seen any hint of a pegmatite in this area, now inspired a new goal: to uncover the true locality for the v[per thousand]yrynenite and triplite crystals.
But this journey had taken on a new mission: finding the source of the recently found v[per thousand]yrynenite and triplite specimens.
Triplite ([Mn.sup.2+],[Fe.sup.2+])[.sub.2](P[O.sub.4])F
Some extraordinary orange-red to rose-red gem crystals of triplite to 1.2 cm have been found in a phosphate pegmatite said to be located near Alchuri.
The locality, however, remains uncertain and may instead be located in the Braldu River Valley--perhaps the Namlook mine (where the similar-appearing triplite crystals were found), or nearby Nyet, or perhaps Apo Ali Gund (Apaligun) farther up the valley.
(1942); schorl; triplite; Diehl (1992a); Gevers K-feldspar as large, and Frommurze (1930).
Correia Neves and Lopes Nunes (1968) described eosphorite, variscite, phosphosiderite, hureaulite, montebrasite, fluorapatite, amblygonite, triplite and bermanite from Alto Ligonha pegmatites.
Correia Neves and Lopes Nunes (1968) described hureaulite, montebrasite, fluorapatite, amblygonite, triplite, phosphosiderite, variscite, eosphorite and bermanite from Alto Ligonha pegmatites.
Three grains of triplite occur as small inclusions (about 20 microns each) in fluorapatite that rims a large rhodochrosite crystal from the Empty Pocket.
Table 1 gives microprobe analyses for the lithiophilite, triploidite, triplite and fluorapatite.
Triplite [(Mn,[Fe.sup.2],Mg,Ca).sub.2](P[O.sub.4])(FOH)