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jc"s African cichlids on Instagram: "The Wild Caught Mastacembelus ellipsifer aka Tanganyikan Spiny Eel Enjoying some @northfinusa pellets sand by @caribseainc Arogonite mix with Sunset Gold 🔥🔥🔥 #itsjustahobby #laketanganyikacichlids #mastacembelus #mastacembelusellipsifer"
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jc"s African cichlids on Instagram: "The Wild Caught Mastacembelus ellipsifer aka Tanganyikan Spiny Eel Enjoying some @northfinusa pellets sand by @caribseainc Arogonite mix with Sunset Gold 🔥🔥🔥 #itsjustahobby #laketanganyikacichlids #mastacembelus #mastacembelusellipsifer"
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Instagramjcsafricancichlids
Fundamental of electrical ant electronic EngineeringConnect vo... | Filo
Fundamental of electrical ant electronic EngineeringConnect vo... | Filo
8 个月之前
askfilo.com
Color-changing Alexandrite is nature’s magic trick, and one of the birthstones for June. Alexandrite is a very rare color-change variety of the mineral chrysoberyl. Originally discovered in Russia’s Ural Mountains in the 1830s, it’s now found in Sri Lanka, East Africa, and Brazil, but fine material with a strong color change is exceptionally rare and valuable. Alexandrite is named after Czar Alexander II of Russia, and has a bluish-green color in daylight and fluorescent light, but shifts to a r
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Color-changing Alexandrite is nature’s magic trick, and one of the birthstones for June. Alexandrite is a very rare color-change variety of the mineral chrysoberyl. Originally discovered in Russia’s Ural Mountains in the 1830s, it’s now found in Sri Lanka, East Africa, and Brazil, but fine material with a strong color change is exceptionally rare and valuable. Alexandrite is named after Czar Alexander II of Russia, and has a bluish-green color in daylight and fluorescent light, but shifts to a r
已浏览 704 次2023年6月8日
FacebookFaith Jewelers
Ah, the persistent calcite vs. quartz debate! So this isn’t a definitive test to determine just ANY clear mineral; there are plenty of clear minerals that would perform differently on this one simple test. But, if someone tells you “hey, this is EITHER a quartz or a calcite, can you tell which?” this is one indicator test. If you want one quick visual test that would help, gemmy calcite is so doubly refractive that it will often show doubled images, but you might have to test it at a few differe
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Ah, the persistent calcite vs. quartz debate! So this isn’t a definitive test to determine just ANY clear mineral; there are plenty of clear minerals that would perform differently on this one simple test. But, if someone tells you “hey, this is EITHER a quartz or a calcite, can you tell which?” this is one indicator test. If you want one quick visual test that would help, gemmy calcite is so doubly refractive that it will often show doubled images, but you might have to test it at a few differe
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FacebookThe Arkenstone Gallery of Fine Minerals
Calcite with Duftite and Diopside!
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Calcite with Duftite and Diopside!
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FacebookThe Arkenstone Gallery of Fine Minerals
Beautiful calcite crystal formation #calcite #crystals #geology #minerals | Agate Dad
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Beautiful calcite crystal formation #calcite #crystals #geology #minerals | Agate Dad
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FacebookAgate Dad
This blue aragonite crystal is deliciousness to our eyes! | Wandering Stones · Utah's Favorite Rock & Crystal Shop
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This blue aragonite crystal is deliciousness to our eyes! | Wandering Stones · Utah's Favorite Rock & Crystal Shop
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FacebookWandering Stones · Utah's Favorite Rock & Crystal Shop
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