Gananite (simplified Chinese: 赣南矿; traditional Chinese: 贛南礦; pinyin: gànnánkuàng) is a rare bismuth fluoride mineral form of bismuth trifluoride with a general formula of BiF3. Gananite is an isotropic mineral, it belongs to the space group P43m. This means that gananite does not show any colors in cross polarized light, because when polarized light passes through it, it does not split into two perpendicular rays. In other words, because gananite is an isometric mineral, it does not exhibit double refraction. Moreover, this tells us that this mineral is not birefringent. Its color in plane-polarized light is blackish-brown, and it does not show pleochroism.
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| - Gananita (ca)
- Gananite (en)
- Gananita (eu)
- Gananite (it)
- 赣南矿 (zh)
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| - La gananita és un mineral de la classe dels halurs. Rep el seu nom de la seva localitat tipus, l'àrea de Ganan (Xina). (ca)
- Gananite (simplified Chinese: 赣南矿; traditional Chinese: 贛南礦; pinyin: gànnánkuàng) is a rare bismuth fluoride mineral form of bismuth trifluoride with a general formula of BiF3. Gananite is an isotropic mineral, it belongs to the space group P43m. This means that gananite does not show any colors in cross polarized light, because when polarized light passes through it, it does not split into two perpendicular rays. In other words, because gananite is an isometric mineral, it does not exhibit double refraction. Moreover, this tells us that this mineral is not birefringent. Its color in plane-polarized light is blackish-brown, and it does not show pleochroism. (en)
- Gananita haluro motako minerala da. (eu)
- La gananite è un raro minerale di bismuto e fluoro avente formula chimica BiF3. Gananite è un minerale isotropo che appartiene al gruppo spaziale P43m. È quindi trasparente alla luce polarizzata e non presenta bifrangenza. (it)
- 赣南矿是一种稀有的以三氟化铋形式生成的铋矿物,化学式BiF3。 赣南矿是一种各向同性矿物,属于P43m空间群。这代表着赣南矿在交叉偏振光中不显示任何颜色,因为当偏振光通过它时,它不会分裂成两条垂直的光线。或者说,由于赣南矿是一种等距矿物,它不会表现出双折射。它在平面偏振光中的颜色为黑褐色,不显示多色性。 (zh)
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| - H-M symbol: (en)
- Hextetrahedral (en)
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| - Brown to black, greenish black (en)
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| - La gananita és un mineral de la classe dels halurs. Rep el seu nom de la seva localitat tipus, l'àrea de Ganan (Xina). (ca)
- Gananite (simplified Chinese: 赣南矿; traditional Chinese: 贛南礦; pinyin: gànnánkuàng) is a rare bismuth fluoride mineral form of bismuth trifluoride with a general formula of BiF3. Gananite is an isotropic mineral, it belongs to the space group P43m. This means that gananite does not show any colors in cross polarized light, because when polarized light passes through it, it does not split into two perpendicular rays. In other words, because gananite is an isometric mineral, it does not exhibit double refraction. Moreover, this tells us that this mineral is not birefringent. Its color in plane-polarized light is blackish-brown, and it does not show pleochroism. (en)
- Gananita haluro motako minerala da. (eu)
- La gananite è un raro minerale di bismuto e fluoro avente formula chimica BiF3. Gananite è un minerale isotropo che appartiene al gruppo spaziale P43m. È quindi trasparente alla luce polarizzata e non presenta bifrangenza. (it)
- 赣南矿是一种稀有的以三氟化铋形式生成的铋矿物,化学式BiF3。 赣南矿是一种各向同性矿物,属于P43m空间群。这代表着赣南矿在交叉偏振光中不显示任何颜色,因为当偏振光通过它时,它不会分裂成两条垂直的光线。或者说,由于赣南矿是一种等距矿物,它不会表现出双折射。它在平面偏振光中的颜色为黑褐色,不显示多色性。 (zh)
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diaphaneity
| - Subtranslucent to Opaque (en)
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