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hackmanite
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hackmanite
hackmanite Min. (ˈhækmənaɪt) [ad. Sw. hackmanit (L. H. Borgström 1901, in Geol. Föreningens Stockholm Förh. XXIII. 563), f. the name of Victor A. Hackman (1866–1941), Finnish geologist: see -ite1.] A pink or reddish violet variety of sodalite which loses its colour when exposed to daylight but regai...
Oxford English Dictionary
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Sodalite
Hackmanite
Hackmanite is a variety of sodalite exhibiting tenebrescence. Hackmanite is found principally in Mont-Saint-Hilaire and Greenland.
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lomonosovite
lomonosovite Min. (ləʊˈmɒnəʊsɒvaɪt) [ad. Russ. lomonosovit (V. I. Gerasimovsky 1941, in Dokl. Akad. nauk SSSR XXXII. 498), f. the name of Michael Lomonosov (1711–65), Russian mineralogist: see -ite1.] A phosphate, silicate, and oxide of sodium and titanium, Na5Ti2(Si2O7)(PO4)O2, found as dark brown ...
Oxford English Dictionary
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Scotophor
Minerals showing such behavior include hackmanite sodalite, spodumene and tugtupite. Some pure alkali halides also show such behavior.
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Photographic film - Wikipedia
The first consumer electronic camera, the Sony Mavica was released in 1981, the first digital camera, ... In 2023, a Finnish chemist Sami Vuori invented a reusable film that uses synthetic hackmanite (Na 8 Al 6 Si 6 O 24 (Cl,S) 2) as the photosensitive medium. The film contains small hackmanite particles that color purple with exposure to ...
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raspberry
raspberry (ˈrɑːzbərɪ, -æ-) Forms: 7 res-, 7–8 ras-, 8– raspberry. [f. rasp n.2 + berry.] 1. The fruit of several plants of the genus Rubus, esp. R. idæus, consisting of many small juicy grains or drupes of a subacid flavour arranged on a conical receptacle, from which the ripe fruit is easily detach...
Oxford English Dictionary
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Photochromism
Tenebrescent minerals include hackmanite, spodumene and tugtupite.
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List of gemstones by species
Bowenite
Chrysotile
Lizardite
Stichtite
Shattuckite
Shigaite
Shortite
Shungite
Siderite
Sillimanite
Simpsonite
Sinhalite
Smaltite
Smithsonite
Sodalite
Hackmanite
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Photographic film
The film contains small hackmanite particles that color purple with exposure to ultraviolet radiation (e.g. 254 nm), after which the film is loaded into Visible light bleaches the hackmanite particles back to white, which gives rise to the formation of a positive image.
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星│会变色的宝石—方钠石 - 知乎 - 知乎专栏
实际上,这些看不到的,可以发出荧光的矿物,就是方钠石。 ... 变色效应-来自好友青蛙. ... 注意,不是所有的紫色方钠石都是紫方钠石,紫方钠石(hackmanite)的化学式为Na8Al6Si6O24(Cl,S)2专指含有硫的方钠石,紫方钠石最神奇的是具有光致变色效应,这个在前面 ...
zhuanlan.zhihu.com