Thumbnails
Neotocite crystals
© Doug Merson
Neotocite crystals
© Bill Lechner
Mn3+SiO · H
Neotocite is an uncommon species at Mont Saint-Hilaire. It cannot be distinguished visually from hisingerite.
PHYSICAL CHARACTERISTICS:
Color is usually dark brown to black.
Luster is resinous to greasy, rarely vitreous.
Diaphaneity is translucent to opaque.
Crystal System is amorphous.
Crystal Habits include resinous masses and blebs.
Cleavage none apparent.
Fracture is conchoidal.
Hardness is 4.
Specific Gravity is approximately 2.4 g/cm
Streak is brown to dark brown.
Associated Minerals include hisingerite.
Distinguishing Features: Crystal habit and streak.
Origin: Named in 1848 from the Greek neotokos, new born, because
it was found as a product of alteration.
CLASSIFICATION:
Dana System
# 71.1.4.4
Strunz Classification
# VIII/H.26-60
REFERENCES:
MinRec 21:326(1990), Dana 8:1436-1437 (1997)
DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:
MSH
¤¤¤