Where did thulite from granite pegmatites come from?

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Jared Friesen asked a question: Where did thulite from granite pegmatites come from?
Asked By: Jared Friesen
Date created: Wed, Feb 17, 2021 2:10 AM
Date updated: Sun, Jan 2, 2022 12:31 PM

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Top best answers to the question «Where did thulite from granite pegmatites come from»

  • Originally described from Kleppan, Sauland, Hjartdal, Telemark, Norway. NOTE: "Thulite" from granite pegmatites and some metamorphic rocks is frequently the clinothulite variety of clinozoisite and not true zoisite. Visit gemdat.org for gemological information about Thulite. This section is currently hidden. Click the show button to view.

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Those who are looking for an answer to the question «Where did thulite from granite pegmatites come from?» often ask the following questions:

✨ What kind of thulite is in granite pegmatites?

  • Click the show button to view. This section is currently hidden. Click the show button to view. Much of the so-called thulite from granite pegmatites, particularly in North Carolina, has proven to be clinothulite (Richard C. Erd, unpublished data, 1996).

✨ Where does thulite come from?

  • It was first discovered in Norway, and its name is derived from the word Thule, while is believed to be the ancient name of Norway. Thulite is the national stone of Norway, and it comes mostly from the Leksvik. However, there are also deposits of this stone found in Australia, South Africa, and Russia. Why Would You Use Thulite?

✨ Where do thulite veins come from?

  • Since its initial finding, Thulite veins have been located in the United States, Sweden, Italy, Austria, Japan, and Australia. There are a lot of so-called “Thulite” specimens coming out of North Carolina. Although this mineral may look similar, it is actually a crystal called Clinothulite.

10 other answers

Most pegmatites have a composition that is similar to granite with abundant quartz, feldspar, and mica. These are sometimes called "granite pegmatites" to indicate their mineralogical composition. However, compositions such as "gabbro pegmatite," "syenite pegmatite," and any other plutonic rock name combined with "pegmatite" are possible.

Thulite is the pink to reddish variety of the mineral Zoisite. It is an opaque stone composed of dense crystals, and is used as a minor gemstone. Opaque. May be translucent in thin backlit sections. Thulite is well-known in Norway, where it was first found. It is named after the mythical region of Thule, which many identify with Norway.

much thulite with abundant euhedral crystals of sphene and some epi-dote. Bright pink crystals (a:1.688, 7:1.698) in pegmatites at Crestmore (Am. Mineral.,26, 375 (1941). Connecticut At Haddam, in Middlesex County, on the top of Walkley llill' across the Connecticut River from the famous Gillette quarry, thulite occurs as

Thulite is a variety of zoisite with a bright pink to reddish color. This unique coloration of thulite is due to the manganese inclusions in its composition. Thulite is most commonly found alongside quartz or mottled with streaks and spots of white quartz. Thulite’s sister mineral clinothulite is the pink variation of clinozoisite.

1. Introduction. The genetic relationship between granitic pegmatites and adjacent or enclosing granites has long been debated, particularly whether such pegmatites form from residual, volatile-rich melts sourced from the granites (London, 2008, chapter 5).In the case of pericontact pegmatites, e.g. stockscheider in tin granites in the Erzgebirge (Breiter et al., 2005), and intragranitic ...

pegmatites is that the wallrocks around these pegmatites are metasomatized (i.e. metamorphosed via an infl ux of pegmatite-derived components), and the dispersion of alkali rare elements in the metasomatic aureoles around pegmatites is used as an exploration tool. Lithium anoma-lies defi ne the widest halos adjacent to pegmatites, which

Granite pegmatites are ranked second in the abundance of rare elements, mainly Sn and W, whereas metapegmatites and pegmatoids are used to concentrate only feldspar, quartz and mica. A similar tripartite subdivision as performed for the geodynamic positioning of the host environment can also be done for the emplacement of pegmatites themselves ...

Thulite Meanings, Zodiacs, Planets, Elements, Colors, Chakras, and more. Science & Origin of Thulite Thulite, also referred to as Rosaline, is a calcium aluminum silicate mineral that crystallizes in the form of large masses or small prismatic crystals. It's a member of the Zoisite family and is one of the pinkest minerals Mother Earth creates naturally.

The Independencia Argentina albite-type granitic pegmatite is the most distal differentiate in the Cerro La Torre pegmatite group, located in the Eastern Pampean Ranges of Argentina.

Rhyolite is a felsic (silica-rich) volcanic igneous rock with the same mineral content as granite, only unlike granite, it cools fast from the molten rock near or over the surface of Earth's crust (extrusive type). When these magmas erupt, a rock with two grain sizes typically forms.

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Where are petalite pegmatites found in the world?
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