Caresite (Type Locality)
Na₂₆REE₆(SiO₃)₆(PO₄)₆(CO₃)₆(S⁴⁺O₂)O

     Caresite has just been described in a belated Canadian Mineralogist.
It is a rare species at MSH.

PHYSICAL CHARACTERISTICS:

Color is usually green-brown.
Luster is vitreous.
Diaphaneity: transparent.
Crystal System is hexagonal; P3₁12 or P3₂12 .
Crystal Habits include tabular to prismatic crystals, barrel-shaped
   to 0.5mm.
Cleavage {001} is perfect.
Fracture is (??).
Hardness is ~ 2.
Specific Gravity is approximately 2.59 g/cm³.
Streak is white.
Associated Minerals include aegirine, analcime and microcline.
Distinguishing Features: Crystal habits.
Origin: Named in 1992 after Steve Cares (b. 1909) and Janet Cares
   (b. 1921), American amateur mineralogists who found the mineral.

CLASSIFICATION:

REFERENCES:
Dana 8:513 (1997), CanMin 35: 1541-1549 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

Legend