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Mont Saint-Hilaire Unknowns - 90's
Mont Saint-Hilaire Unknowns - 90's
| signifies that this unknown is on the fast-track toward description. |
| means that this UK will need some help if it wants to go forward. |
| indicates that this unknown is at a dead end for the time being. |
| UK# 91(1) - (Na,Y,REE,Al)(CO3) |
Properties - white silky aggregate of fibers Occurrence - (?) Associated minerals - analcime, catapleiite, epididymite, eudialyte, leifite, rhodochrosite and sérandite (Top) |
| UK# 91(2) - (Na,Y,REE,Al)(CO3) |
Properties - white silky aggregate of fibers Occurrence - (?) Associated minerals - catapleiite, manganotychite, petersenite-(Ce), reederite-(Y), shortite and trona (Top) |
| UK# 94 - Na,Fe(SiO2) |
Properties - beige, very small round grains Occurrence - sodalite xenolith Associated minerals - löllingite, molybdenite, tetrahedrite, thermonatrite and villiaumite (Top) |
| UK# 95 - Na,Mn,Ca,REE (PO4) |
Properties - spherical aggregates of prismatic crystals Occurrence - (?) Associated minerals - analcime, aegirine, eudialyte, lovozerite and natrolite (Top) |
| UK# 98 - Na (CO3) (HO) |
Properties - white efflorescence Occurrence - sodalite xenolith Associated minerals - lintisite, revdite, thermonatrite and UK# 53 (Top) |
| UK# 99 - Sr,Na,Zr (SiO2) | Properties - gray hexagonal prismatic crystals, with pinacoidal termination; only two crystals found Occurrence - (?) Associated minerals - biotite, manganotychite, microcline, nenadkevichite, pyrrhotite and zircon NOTES - Structure has finally been solved. This one will be submitted for approval soon (Top) |