Other minerals found in the veinlets include apatite, goyazite, and pyrite.
2.
Messelite occurs in association with amblygonite, anapaite, brazilianite, eosphorite, fair�eldite, goyazite, graftonite, herderite, hureaulite, ludlamite, phosphoferrite, siderite, triphylite, vivianite, and whitlockite.
3.
:Well, we have stubby articles on two of these which don't spell things out but do leave clear hints . spells things out a little more clearly for at least one of them, though here A search on the same site lists umangite as a natural source of copper selenide and goyazite as strontium aluminum phosphate hydroxide.
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