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Mont Saint-Hilaire Unknowns - 70's
Mont Saint-Hilaire Unknowns - 70'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# 70 - (Ca, K, Mn, Nb, Al silicate) |
Properties - pink, earthy to porcelaneous alteration product; also pseudomorphs after an unknown mineral Occurrence - sodalite xenolith Associated minerals - aegirine, analcime, eudialyte, löllingite, lovozerite, microcline, steenstrupine (Top) |
| UK# 72 - (Ca silicate, with minor Al, Fe) |
Properties - white powdery balls, very fine fibers, tiny laths Occurrence - marble xenolith Associated minerals - calcite, pectolite, pyrrhotite, titanite and wollastonite (Top) |
| UK# 73 - (Hydrous Na carbonates (3 members)) |
Properties - white, powdery, silky, fibrous efflorescence Occurrence - sodalite xenolith Associated minerals - aegirine, albite, lovozerite, thermonatrite and villiaumite (Top) |
| UK# 75 - (Ti analogue of lemoynite) |
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Properties - orange-brown vitreous irregular grains. Brittle with conchoidal fracture Occurrence - igneous breccia, marble xenolith Associated minerals - biotite, calcite, clinoamphiboles, fluorite, haineaultite, labuntsovite, pectolite et quartz NOTES - Likely to remain on shelf a bit longer due to poor crystals (Top) |
| UK# 77 - (Hydrous Na, Ca silicate) |
Properties - white to pale green massive, radiating clusters and laths Occurrence - silicate cavities Associated minerals - aegirine, albite, eudialyte, fluorapatite, microcline, nepheline, pectolite, rinkite and villiaumite (Top) |
| UK# 78 - (Na, Mn silicate) |
Properties - colorless to white needles Occurrence - sodalite xenolith Associated minerals - aegirine, analcime, catapleiite, fluorite, microcline, natrolite, natron, pyrrhotite, sérandite, steenstrupine, thermonatrite, UK# 79 and UK# 80 (Top) |
| UK# 79 - (Na, Fe, Mn silicate) |
Properties - pale green fibers Occurrence - sodalite xenolith Associated minerals - aegirine, analcime, catapleiite, fluorite, microcline, natrolite, natron, pyrrhotite, sérandite, steenstrupine, thermonatrite, UK# 78 and UK# 80 (Top) |