Orthojoaquinite-(Ce)
NaFe²⁺Ba₂Ce₂Ti₂(Si₄O₁₂)₂(OH) · nH₂O

     Orthojoaquinite-(Ce) is extremely rare at MSH.

PHYSICAL CHARACTERISTICS:

Color is usually light brown.
Luster is vitreous.
Diaphaneity is transparent to translucent.
Crystal System is orthorhombic; Ccmm or Ccm.
Crystal Habits include (??).
Cleavage {001} is good.
Fracture is (??).
Hardness is 5.5
Specific Gravity is approximately 3.68 g/cm³.
Streak is (??).
Associated Minerals include (??).
Distinguishing Features: Crystal habit and color.
Origin: Named in 1982 as the orthorhombic dimorph of joaquinite-(Ce).

CLASSIFICATION:

REFERENCES:
Dana 8:1232 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

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