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Purpurite is a manganese phosphate mineral with the formula MnPO 4, with varying amounts of iron depending upon its source.It occurs in color ranges from brownish black via purple and violet to dark red.
Sugilite (/ ˈ s uː ɡ ə l aɪ t,-dʒ i-/ SOO-gə-lyte, -jee-) [2] [3] is a relatively rare pink to purple cyclosilicate mineral with the complex chemical formula K Na 2 (Fe, Mn, Al) 2 Li 3 Si 12 O 30. Sugilite crystallizes in the hexagonal system with prismatic crystals. The crystals are rarely found and the form is usually massive.
Hexagonite is pleochroic, potentially displaying varying shades of blue, violet, purple, or red. [1] It is also known as "mangan-tremolite", since the manganese imparts the mineral's unique colors. [citation needed] Pink, lilac, and purple are the most common colors. [1] Hexagonite has been successfully faceted. [1]
A 0.37-carat (0.074 g) brilliant cut purple Yogo sapphire. Only about two percent of Yogo sapphires are purple. The Yogo dike is a narrow subvertical sheet-like igneous body. It varies from 2 to 26 feet (0.61 to 7.92 m) thick and extends for 5 miles (8.0 km), striking at an azimuth of 255°.
Purple Biotech stock is trading higher with a strong session volume of 9.7 million, compared to an average volume of 48.73K as per data from Benzinga Pro. The Phase 2 study evaluated CM24 in ...
Charoite (/ tʃ æ r oʊ. aɪ t / CHAR-ow-ait) is a rare silicate mineral with the chemical composition K(Ca,Na) 2 Si 4 O 10 (OH,F)•H 2 O, first described in 1978.It is named after the Chara River, despite its being 70 kilometres (43 mi) away from the discovery place.
The U.S. is 100% reliant on imports for 12 minerals that are key to the production of semiconductors and other high-tech products. China has a ‘near monopoly’ on many critical minerals.
Rare Earths Norway’s discovery comes at a time when Europe and the U.S. have had tense trade relations with China. Many of those tensions are wrapped up in national-security issues as well.