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Caresite crystals - click for larger pic
Caresite
Photo by Gilles Haineault
© Gilles Haineault

Caresite crystals - click for larger pic
Caresite
Photo by Gilles Haineault
© Gilles Haineault

Caresite crystals - click for larger pic
Caresite crystals
Photo by Thomas Witzke
© Thomas Witzke

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Home > Mineral Descriptions > Caresite (TL)



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:

Dana System
# 16b.6.4.3

Strunz Classification
# V/E.2-7

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

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

MSH
¤¤¤

PE
¤¤

AP
--

MX
--

SS
--

MC
--

HF
--

BR
--

SX
--

FR
--

Legend

Caresite crystals - click for larger pic
Caresite crystals
Photo by Jason B. Smith
© Jason B. Smith

Caresite crystals - click for larger pic
Caresite crystals
Photo by Stephan Wolfsried
© Stephan Wolfsried