Biotite
K(Mg,Fe)3(AlSi3O10)(OH)2
Add one script tag to your page:
<div data-mineralfyi="entity" data-slug="biotite"></div>
<script src="https://cdn.jsdelivr.net/npm/mineralfyi-embed@1/dist/embed.min.js" defer></script>
Embed as an iframe:
<iframe src="https://mineralfyi.com/iframe/entity/biotite/?style=modern&theme=light" width="420" height="400" frameborder="0" loading="lazy" style="border:0;border-radius:10px;max-width:100%"></iframe>
Paste the URL in WordPress, Medium, or Ghost:
https://mineralfyi.com/vi/mineral/biotite/
Shields.io-compatible SVG badge:
Web Component:
<mineralfyi-entity slug="biotite"></mineralfyi-entity>
<script src="https://cdn.jsdelivr.net/npm/mineralfyi-embed@1/dist/embed.min.js" defer></script>
Biotite is a common phyllosilicate mineral found in igneous and metamorphic rocks. It is distinguished from muscovite by its darker color due to iron and magnesium content. Biotite is an important indicator of metamorphic grade.
| Hệ tinh thể | Monoclinic |
| Phân loại khoáng vật | 09 Silicates |
| Độ cứng Mohs | 2.5-3.0 |
| Tỷ trọng | 2.70-3.40 |
| Màu sắc | Black, dark brown, dark green |
| Ánh | Vitreous |
| Màu vệt | White to gray |
| Cát khai | Perfect basal {001} |
| Vết vỡ | Uneven |
| Độ trong suốt | Translucent |
| Dạng tinh thể | Tabular, pseudo-hexagonal |
Độ cứng Mohs
Mohs Hardness: 2,5 – 3,0
1 Soft10 Hard
Hệ tinh thể
MonoclinicFrequently Asked Questions
What is the hardness of Biotite?
Biotite has a Mohs hardness of 2.5-3.0.
What crystal system does Biotite belong to?
Biotite crystallizes in the Monoclinic crystal system.
What color is Biotite?
Biotite is typically Black, dark brown, dark green.
What type of luster does Biotite have?
Biotite exhibits a Vitreous luster.
What is the chemical formula of Biotite?
The chemical formula of Biotite is K(Mg,Fe)3(AlSi3O10)(OH)2.