224 - Rubelite and Lepidolite

ID	224
Mineral	Rubelite Lepidolite
Location	Pala - California - United States of America
Fluorescence	LW-UV: close SW-UV: close
Mindat.org	View Rubelite information at mindat.org View Lepidolite information at mindat.org

ID	3472
Long ID	1:1:3472:8
IMA Status	0 1
Variety of	4003
Entry type	2
Description	A red/pinkish gemmy Li-rich and more or less (Fe+Mg)-free variety of tourmaline (primarily elbaite or fluor-elbaite, but may also be olenite or liddicoatite).
Colour	Red, pink, pinkish, violet-red.
Hardness (min)	7.0
Hardness (max)	7.0
About the name	From the latin word 'rubellus' meaning 'reddish'.
Crystal System	Trigonal
key_elements	0

ID	2380
Long ID	1:1:2380:7
IMA Status	0
Entry type	4
Description	A Li-rich mica in, or close to, the so-called Polylithionite-Trilithionite series. Compare also fluorluanshiweiite and luanshiweiite. The original lepidolite came from Rožná pegmatite, Žďár nad Sázavou, Vysočina Region, Moravia (Mähren; Maehren), C...
Occurrence	Granite pegmatite
Other Occurrences	May be found in aplites associated with granite pegmatite. rarely found in hydrothermal veins and extremely rarely in granite contact zones.
Industrial	Ore of lithium, cesium, and rubidium.
Diapheny	Transparent,Translucent
Cleavage	{001} perfect
Tenacity	elastic
Colour	Pink, light purple, light rose red, other colors possible but are rare.
Hardness (min)	2.5
Hardness (max)	3.5
About the name	Named in 1792 by Martin Klaproth from the Greek words lepidos for "scale" and lithos for "stone".
Streak	white
Crystal System	Monoclinic
Cleavage Type	Perfect
Fracture type	Micaceous
UV	Frequently fluoresces medium intensity of creamy white to pale yellow. Sometimes yellow.
shortcode_ima	Lpd
Group	Trioctahedral mica

Symbol	Element
B	Boron
O	Oxygen

Rubelite and Lepidolite