What mineral group is datolite in?
Datolite is the second described mineral in the gadolinite supergroup.
What type of rock is datolite?
mafic igneous rocks
It occurs as a secondary mineral in mafic igneous rocks often filling vesicles along with zeolites in basalt. Unlike most localities throughout the world, the occurrence of datolite in the Lake Superior region is usually fine grained in texture and possesses colored banding.
How do you find a datolite?
Some white and green types of datolite are translucent. Small specks of copper may appear as inclusions, commonly near the surface of the nodules. Inclusions of native silver and cuprite also have been noted. The color patterns may be mottled, gradationally zoned, or even dendritic.
Is datolite a silicate?
Datolite is a secondary boron silicate of hydrothermal origin. It is a mineral that owes its name to the Greek dateisthai (divide) and lithos (stone) because subjected to a shock the aggregates are easily fragmented.
What is Datolite used for?
Uses. Datolite is used a collector’s gemstone, and the nodules from Michigan are sliced and polished as ornamental stones and minor gemstones. Datolite is mined in Russia as a source of boron.
Is Datolite a zeolite?
Another non-zeolite that shows up in the Keweenaw, Michigan deposits is datolite, but not in the glassy light green crystals found in ore deposits and trap quarries.
Is Datolite a fluorescent?
Physical Properties of Datolite Luminescence: Non-fluorescent.
How do you clean a Datolite?
Datolite Care Clean datolites with a soft brush, mild detergent, and warm water.
Where can you find Thomsonite stone?
Thomsonite can be found locally on the beaches between Lutsen and Grand Marais, on Isle Royal, Michigan and near Saxon Falls and the Montreal River Gorge on the Keweenaw Peninsula in Michigan.
Is dolomite a mineral?
Dolomite (/ˈdɒl. əˌmaɪt, ˈdoʊ. lə-/) is an anhydrous carbonate mineral composed of calcium magnesium carbonate, ideally CaMg(CO3)2. The term is also used for a sedimentary carbonate rock composed mostly of the mineral dolomite.
What is datolite used for?
Are gemstones toxic?
In addition, some gems have no known toxicity but are still soluble in acids. If you swallow particles of these gems, their dissolution in your stomach could release impurities in the mineral. Certain gems may react dangerously with stomach acid to produce hydrofluoric acid (HF) or hydrogen sulfide gas (H2S).
Is datolite a crystal?
Rarely does Datolite form actual crystals, but when it does, they are generally seen as small prismatic shards. Datolite can be seen in a variety of different colors and can sometimes take on the color of other minerals which form around it ( Prehnite , Calcite, Quartz, Copper , Danburite, Epidote ).
Where does datolite come from in Mexico?
An unusual manganese-rich, pink variety of Datolite comes from the Kalahari Manganese Field of South Africa at the Wessels Mine in Hotazel and the N’Chwaning Mines in Kuruman. In Mexico, large, lustrous crystals associated with Danburite come from Charcas, San Luis Potosí, Mexico.
What is the anion formula for datolite?
The structure of datolite consists of sheets of four- and eight-membered rings of corner-sharing, alternating (HBO 4) and (SiO 4) tetrahedra, classifying it as a phyllo-borosilicate. The net formula of the anion is (HBSiO 5 ), with (HBSiO 5) as the repeating unit (Foit et al., 1973).
Where is datolite found in Poland?
WŁODYKA R., KAPUSTA J., GALUSKIN E., 1998: Datolite from the environs of Cieszyn and Bielsko-Biała in the Polish Carpatians (the type area of the teschenite association). Arch. Miner. 51, 1-2, 273-287.