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.65" Orange Ferrierite-Mg Aggregates on Chalcedony - Canada
This is a really cool, .65" wide specimen of radiating orange aggregates of ferrierite-Mg embedded in chalcedony. This specimen comes from a mining site at Kamloops Lake (type locality) in British Colombia, Canada.
It comes with an acrylic display case and mineral tack.
It comes with an acrylic display case and mineral tack.
About Ferrierite
The ferrierite group of zeolite minerals consists of four very similar species: ferrierite-Mg, ferrierite-Na, ferrierite-NH4, and ferrierite-K, based on the dominant cation in the A location. Ferrierite-Mg and ferrierite-K are orthorhombic minerals and ferrierite-Na is monoclinic with highly variable cationic composition. Calcium and other ions are often also present. They are found in vitreous to pearly, often radiating, spherical aggregates of thin blade-shaped transparent to translucent crystals.
Ferrierite typically occurs as an alteration mineral in basaltic rocks and in tuffaceous sediments. In North America, it is found at Kamloops Lake, BC, Canada (the original type locality) and Leavitt Lake, California. Ferrierite was named for Canadian geologist and mining engineer Walter Frederick Ferrier.
General Chemical Formula - ("A"position)3−5Mg[Al5−7Si27.5−31O72]·18H2O
The ferrierite group of zeolite minerals consists of four very similar species: ferrierite-Mg, ferrierite-Na, ferrierite-NH4, and ferrierite-K, based on the dominant cation in the A location. Ferrierite-Mg and ferrierite-K are orthorhombic minerals and ferrierite-Na is monoclinic with highly variable cationic composition. Calcium and other ions are often also present. They are found in vitreous to pearly, often radiating, spherical aggregates of thin blade-shaped transparent to translucent crystals.
Ferrierite typically occurs as an alteration mineral in basaltic rocks and in tuffaceous sediments. In North America, it is found at Kamloops Lake, BC, Canada (the original type locality) and Leavitt Lake, California. Ferrierite was named for Canadian geologist and mining engineer Walter Frederick Ferrier.
General Chemical Formula - ("A"position)3−5Mg[Al5−7Si27.5−31O72]·18H2O
$25
SPECIES
Ferrierite-Mg & Quartz var. Chalcedony
LOCATION
Kamloops Lake, Kamloops Mining Division, British Columbia, Canada
SIZE
.65 x .5"
CATEGORY
ITEM
#317471
