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Mont Saint-Hilaire Unknowns - 80's
Mont Saint-Hilaire Unknowns - 80'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# 80 - Na Fe Mn (SiO2) |
Properties - dark brown massive patches to yellowish- brown fibers Occurrence - sodalite xenolith Associated minerals - aegirine, analcime, catapleiite, fluorite, microcline, natrolite, natron, pyrrhotite, sérandite, steenstrupine, thermonatrite, UK# 78 and UK# 79 (Top) |
| UK# 82 - (Cu1.5Fe0.5)S · H20 |
Properties - metallic reddish-brown, hexagonal crystal with perfect basal cleavage Occurrence - sodalite xenolith Associated minerals - lovozerite, siderite, steenstrupine, terskite, ussingite, vuonnemite and zakharovite (Top) |
| UK# 82A - (Cu1.5Fe0.5)S · H20 |
Properties - sub-metallic black hexagonal, tabular crystals, micaceous; displays poor crystallinity Occurrence - sodalite xenolith Associated minerals - galena, langite, lueshite, molybdenite, posnjakite, sphalerite and wurtzite (Top) |
| UK# 83 - Th,Ca,Na,Mn,Ti (SiO2) |
Properties - yellow-brown prismatic crystals and needles Occurrence - sodalite xenolith Associated minerals - lovozerite, siderite, steenstrupine, terskite, ussingite and vuonnemite (Top) |
| UK# 86 - (?, soon) | ||
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Properties - orange-brown prismatic crystals, grains Occurrence - sodalite xenolith Associated minerals - lovozerite, sidorenkite, terskite, ussingite, zakharovite and UK# 53A (Top) |
 © Modris Baum | |
| UK# 87 - (Pb) |
Properties - white to beige flaky coatings, fine grains on galena Occurrence - sodalite xenolith Associated minerals - galena, löllingite, sidorenkite, thalcusite, villiaumite and UK# 82A (Top) |
| UK# 89 - Na2CO3 · 7 H2O |
Properties - colorless to white translucent shells on natron; alters to thermonatrite Occurrence - sodalite xenolith Associated minerals - natron and thermonatrite (Top) |