Nesosilicates Flashcards
Simplest of all the silicate subclasses
Nesosilicates
Nesosilicates are also known as?
Orthosilicates/Single Island
A group of rock-forming minerals that are typically found in mafic and ultramafic igneous rocks
Olivine
One of the first minerals to crystallize from a magma.
Olivine
5 Minerals under the Olivine Series
Forsterite
Fayalite
Monticellite
Kirschsteinite
Tephroite
Magnesium rich end member of the olivine solid solution series
Forsterite
Green gem variety of Forsterite
Peridot
Variety of Forsterite that mainly contains Forsterite and Serpentine
Jian Forsterite Jade
Iron rich end member of the olivine solid solution series
Fayalite
Variety of Fayalite that is a member of the forsterite-fayalite series
Ferrohortonolite
A manganoan, zincian variety of Fayalite
Roepperite
The grayish silicate mineral in the olivine family
Monticellite
Occur as an accessory of metamorphic and in some igneous rocks.
Garnet
6 Minerals under Garnet
Pyrope
Almandine
Spessartine
Uvarovite
Grossular
Andradite
The only member of the garnet family to always display red coloration in natural samples
Pyrope
Purple variety of pyrope-almandine found in Colorado
Rhodolite
Red orange variety of Pyrope
Malaia Garnet
The most common garnet
Almandine
orange to red form of the gemstone Garnet
Spessartine
One of the rarest members of the Garnet Group
Uvarovite
Garnet in Philippines
Zambales Jade
orange to orange-brown variety of Grossular
Hessonite
green, pink, grayish-white to bluish variety of grossular
Hydrogrossular
Green in color variety of Grossular
Tsavorite
yellow-green variety of Grossular
Mali
The most lustrous Garnet
Andradite
Lustrous, opaque black or very dark red in color variety of Andradite
Melanite
olive-green to emerald-green in color variety of Andradite (one of the most valuable and rare stones in the gemological world)
Demantoid
Yellow to brownish-yellow variety of Andradite
Topazolite
A group of nesosilicate minerals formed under metamorphism
Alluminosilicates
3 Minerals under Alluminosilicates
Andalusite
Sillimanite
Kyanite
shaped inclusions of carbon variety of Andalusite
Chiastolite
manganese bearing variety of Andalusite
Viridine
Fibrous variety of Sillimanite
Fibrolite
White to gray variety of Kyanite
Rhatizite
Zircon was originally named?
Lyncurion
3 Minerals in Zircon
Zircon
Coffinite
Hafnon
Blue variety of Zircon; caused by?
Starlite, Uranium
A micro-granular, earthy variety of Zircon
Arshinovite
an anthropogenic variety of Zircon
Chernobylite
Often used as an indicator mineral
Titanite
Known for it’s unique cross shaped formation due to it’s twinning behavior.
Staurolite