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Mont Saint-Hilaire Unknowns - 60's
Mont Saint-Hilaire Unknowns - 60'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# 60(1) - (Hydrous carbonate of Sr, Ba, Ca and REE, where Sr > Ba) |
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Properties - small pearly white, hexagonal plates or flakes in rosettes; irregular clusters Occurrence - silicate cavities Associated minerals - albite, aegirine, clinoamphiboles, eudialyte, fluoroapatite, microcline, natrolite, rinkite (Top) |
 UK-60 crystals © Jason B. Smith |
| UK# 60(2) - (Hydrous carbonate of Sr, Ba, Ca and REE, where Sr > Ba) |
Properties - small pearly white, hexagonal thin plates or flakes in rosettes; irregular clusters Occurrence - sodalite xenolith Associated minerals - catapleiite, fluorite, microcline, pyrochlore, rinkite, sérandite (Top) |
| UK# 60A - (Hydrous carbonate of Sr, Ba, Ca and REE, where Ba > Sr) |
Properties - similar to UK# 60; Occurrence - silicate cavities, sodalite xenolith Associated minerals - albite, aegirine, catapleiite, clinoamphiboles, eudialyte, fluorite, fluoroapatite, microcline, natrolite, pyrochlore, rinkite and sérandite (Top) |
| UK# 67 - (Zr, Na, K, Mn, Ca and Fe silicate) |
Properties - white translucent balls Occurrence - igneous breccia Associated minerals - aegirine, calcite, eudialyte, fluorite, hilairite, microcline, pectolite and pyrite (Top) |
| UK# 68(1) - (Na, Mn, Nb oxide or hydroxide) |
Properties - thin bright yellow plates, alters to red crumbly masses of splintered pieces (68A?) of poor crystallinity Occurrence - silicate cavities Associated minerals - aegirine, eudialyte, fluoroapatite, fluorite, gonnardite and rhabdophane-(Ce)(Top) |
| UK# 68(2) - (Na, Mn, Nb oxide or hydroxide) |
Properties - bright red rhombs; alters to crumbly yellow Occurrence - sodalite xenolith Associated minerals - (?) (Top) |
| UK# 68A - (Na, Mn, Nb oxide or hydroxide) |
Properties - red lath like crystals; altered in lab to UK# 68 Occurrence - silicate cavities Associated minerals - aegirine, eudialyte, fluoroapatite, fluorite, gonnardite and rhabdophane-(Ce)(Top) |