Zorite and Raite

ID	450
Mineral	Zorite Raite
Location	Karnasurt Mountain - Lovozersky District - Russia
Fluorescence	LW-UV: close SW-UV: close
Mindat.org	View Zorite information at mindat.org View Raite information at mindat.org

ID	4431
Long ID	1:1:4431:4
Formula	`Na₆Ti₅Si₁₂O₃₄(O,OH)₅ · 11H₂O`
IMA Status	0
General Appearance	Intergrowths of prismatic acicular crystals 1-2 mm long and as polycrystalline plates up to 10x6x0.5 cm.
Occurrence	Alkalic pegmatite.
Discovery Year	1972
Diapheny	Translucent
Cleavage	{010} and {001} perfect; {110} less perfect
Colour	Rose-red, pink, can appear white or colourless in individual crystals.
Hardness (min)	3.0
Hardness (max)	4.0
Lustre	Vitreous
About the name	From Russian "zoria", meaning "the rosy radiance of the sky at dawn", alluding to its colour.
Crystal System	Orthorhombic
Cleavage Type	Perfect
Thermal Behaviour	Before the blowpipe sinters to a white bubbly mass, then melts to a brown glass with n = 1.574.
Publication Year	1973
key_elements	0
shortcode_ima	Zor
Group	Zorite Group

ID	3352
Long ID	1:1:3352:3
Formula	`Na₃Mn²⁺₃Ti_0.25(Si₈O₂₀)(OH)₂ · 10H₂O`
IMA Status	0
General Appearance	Acicular crystals 1-2 mm long, 0.02-0.04 mm thick.
Occurrence	Alkalic pegmatite on walls of fractures and cavities filled by nepheline.
Other Occurrences	Nepheline rocks
Discovery Year	1973
Diapheny	Transparent
Cleavage	on {100} {010} {001}
Tenacity	brittle
Colour	Pale brown to golden-yellow, reddish brown, tan, rose, lavender, bronze
Hardness (min)	3.0
Hardness (max)	3.0
About the name	Named after the international group of scientists on the 1969-1970 voyage of the papyrus ship, Ra.
Streak	Yellow
Crystal System	Orthorhombic
Cleavage Type	Perfect
Morphology	Acicular in radiating masses
Thermal Behaviour	Before the blowpipe sinters to a gray, bubbly mass, melts at 745° to a gray-brown glass with n = 1.623. The mineral loses 11.9% to 160°, 13.4% to 300°, 15.5% to 340°. The DTA curve shows an endothermic effect at 160°, and a slight exothermic effect at 700°.
Publication Year	1973
key_elements	0
shortcode_ima	Rai
Group	Palygorskite Group

Price: € 10

Dimensions: Not registered

Weight: Not registered

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