Staurolite
Fe2Al9Si4O23(OH)
Add one script tag to your page:
<div data-mineralfyi="entity" data-slug="staurolite"></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/staurolite/?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/ar/mineral/staurolite/
Shields.io-compatible SVG badge:
Web Component:
<mineralfyi-entity slug="staurolite"></mineralfyi-entity>
<script src="https://cdn.jsdelivr.net/npm/mineralfyi-embed@1/dist/embed.min.js" defer></script>
Staurolite is famous for its cruciform twinned crystals, which form cross-shaped penetration twins. These natural crosses have been collected as good luck charms for centuries. It is an important metamorphic indicator mineral.
| النظام البلوري | Monoclinic |
| صنف المعدن | 09 Silicates |
| صلادة موس | 7.0-7.5 |
| الكثافة النوعية | 3.65-3.77 |
| اللون | Dark reddish-brown to black |
| اللمعان | Vitreous |
| لون الخط | Gray to white |
| الانفصام | Poor {010} |
| الكسر | Subconchoidal |
| الشفافية | Translucent |
| الشكل البلوري | Prismatic, cruciform twins |
صلادة موس
Mohs Hardness: 7,0 – 7,5
1 Soft10 Hard
النظام البلوري
MonoclinicFrequently Asked Questions
What is the hardness of Staurolite?
Staurolite has a Mohs hardness of 7.0-7.5.
What crystal system does Staurolite belong to?
Staurolite crystallizes in the Monoclinic crystal system.
What color is Staurolite?
Staurolite is typically Dark reddish-brown to black.
What type of luster does Staurolite have?
Staurolite exhibits a Vitreous luster.
What is the chemical formula of Staurolite?
The chemical formula of Staurolite is Fe2Al9Si4O23(OH).