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

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Ekanite
ThCa2Si8O20

     Ekanite has been "re-identified" from MSH, it had been redefined and renamed steacyite in 1982. According to recent analysis it appears to be a distinct species for MSH. Additional info to follow.

PHYSICAL CHARACTERISTICS:

Color is ranges from (??).
Luster is vitreous.
Diaphaneity is transparent to translucent.
Crystal System is tetragonal; I422.
Crystal Habits include (??).
Cleavage {101} is distinct.
Fracture is irregular.
Hardness is 4.5
Specific Gravity is approximately 3.15 g/cm3.
Streak is white.
Associated Minerals include (??).
Distinguishing Features: (??).
Origin: Named in 1961 after F.L.D. Ekanayake, who first found
   the mineral in Sri Lanka.

CLASSIFICATION:

Dana System
# 72.1.1.1

Strunz Classification
# VIII/E.10-10

REFERENCES:
CanMin 32:843-854 (1994), Dana 8:1521 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

MSH
¤¤¤

PE
--

AP
--

MX
--

SS
--

MC
--

HF
--

BR
--

SX
--

FR
--

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