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Chlorastrolite, also known as Isle Royale Greenstone, is a green or bluish green stone. [1] Chlorastrolite has finely radiating or stellate (for examples, see crystal habits) masses that have a "turtleback" pattern. The stellate masses tend to be chatoyant, meaning they have a varying luster. This chatoyancy can be subtranslucent to opaque.
In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County. [ 80 ] ^ Colorado is the only state whose geological symbols reflect the national flag's colors: red (rhodochrosite), white (yule marble), and blue ...
A Petoskey stone is a rock and a fossil, often pebble-shaped, that is composed of a fossilized rugose coral, Hexagonaria percarinata. [1] Such stones were formed as a result of glaciation, in which sheets of ice plucked stones from the bedrock, grinding off their rough edges and depositing them in the northwestern (and some in the northeastern) portion of Michigan's lower peninsula.
Authorities are searching for the remains of Ashley Elkins at a landfill in Michigan following her disappearance nearly two weeks ago, according to multiple reports.. On Monday, Jan. 13, law ...
An active search is underway for a 66-year-old Michigan woman who disappeared from a popular tourist hot spot during a trip to the Grand Canyon more than a week ago, officials said.
Mariposite is a mineral which is a chromium-rich variety of mica, which imparts an attractive green color to the generally white dolomitic marble in which it is commonly found. It was named for Mariposa, California , United States, though it can be found in several other places in the Sierra Nevada .
Saman Shafiq, USA TODAY Updated January 2, 2025 at 4:10 PM A major rockslide prompted two highways to be shut down in Colorado over the weekend and witnesses captured the frightening moment on video.
Rosa Parks. Susan B. Anthony. Helen Keller. These are a few of the women whose names spark instant recognition of their contributions to American history.