GEMS & JEWELRY
Home
Stores
Black
Blue
Brown
Gray
Green
Orange
Pink
Purple
Red
Yellow
White color
Fancy colors
Birthstone
Metal
Jewelry care
Magazines
Contact us
The following information is from the website:-
http://en.wikipedia.org/wiki/Spessartine
Spessartine
[
1
]
[
2
]
previously named
spessartite
, is a
nesosilicate
,
manganese
aluminium
garnet
species,
Mn(II)
3
Al
2(
Si
O
4)3.
[
1
]
[
2
]
[
3
]
[
4
]
The name is a derivative of
Spessart
in
Bavaria
,
Germany
, the
type locality
of the mineral.
[
1
]
[
2
]
It occurs most often in
granite
pegmatite
[
1
]
[
2
]
[
4
]
and allied rock types and in certain low grade
metamorphic
phyllites
. The sources for gem quality spessartine are
Sri Lanka
and
Brazil
.[
citation needed
] Other sources include
Australia
,
Myanmar
,
India
,
Afghanistan
,
Israel
,
Madagascar
,
Tanzania
(since late 2007) and the
US
.
[
3
]
Spessartine of a
orange
-yellow has been called
Mandarin garnet
and is found in
Madagascar
. Violet-red spessartines are found in
rhyolites
in
Colorado
and
Maine
. Spessartine forms a
solid solution series
with the garnet species
almandine
.
[
2
]
[
4
]
The hardness (Mohs scale) : 6.5 - 7.5
The following free streaming videos are from www.youtube.com
Stores from www.amazon.com
The product categories are under 'powered by amazon.com' (right rectangle) Please read the product details carefully before purchase.