R. O. M. specimen #44890
Photo by Violet Anderson
© Royal Ontario Museum
© Modris Baum
CePO · H
Rhabdophane-(Ce) is a rare phosphate mineral at MSH.
Color is usually pale yellow-brown, tan, beige and brown.
Luster is dull to greasy.
Diaphaneity is translucent to opaque.
Crystal System is hexagonal; P622.
Crystal Habits include hexagonal prisms to 6mm, botyroidal
aggregates and interstitial fillings.
Cleavage none observed.
Fracture is uneven.
Hardness is 3.5
Specific Gravity is approximately 4.0 g/cm
Streak is yellowish.
Associated Minerals include aegirine, albite, amphibole group,
ancylite, astrophyllite, biotite, calcite, microcline, natrolite,
rhodochrosite and sérandite.
Distinguishing Features: Crystal habit.
Origin: Named in 1878 from the Greek rhabdos, a rod, plus
phainesthai, to appear, alluding to its characteristic spectral
absorption bands due to REE presence.
MinRec 21:331 (1990), Dana 8:807 (1997)
DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:
© Doug Merson
© Bill Lechner