Jasper an aggregate of microgranular quartz and or chalcedony and other mineral phases is an opaque impure variety of silica usually red yellow brown or green in color.
Jasper yellow green gemstone.
Tsavorite is one of the most popular of the garnet varieties and due to its rarity it is quite valuable.
Yellow jasper is an opaque microcrystalline variety of quartz with large grainy crystals rather than the fibrous layers of chalcedony or agate.
The word jasper means spotted or speckled stone and when you see the huge variety of gemstones that appear under this name you can understand why.
Owyhee jasper is originated from the border of oregon and idaho.
The common red color is due to iron iii inclusions.
It comes in several colors.
Tsavolite is a new gemstone in the jewelry market.
Jasper is almost always multicolored with unique color patterns and habits.
It occurs in nodules or as fillings in fissures and may be found the world over.
It is a semi valuable stone in a mud covered red brown green and yellow color.
The swirling patterns the flecks of color daubs of red green and yellow the woody or organic looking patches all make this a truly unique gemstone.
The gemstone jasper jasper is an opaque variety of chalcedony and is usually associated with brown yellow or reddish colors but may be used to describe other opaque colors of chalcedony such as dark or mottled green orange and black.