Gold
Au
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Gold is a precious metal that has been valued since antiquity. It is extremely malleable and ductile, and is the most non-reactive of all metals. Native gold typically contains silver and sometimes copper. Major deposits occur in South Africa, Russia, Australia, and the United States.
| ระบบผลึก | Cubic (Isometric) |
| หมวดหมู่แร่ธาตุ | 01 Native Elements |
| ความแข็งโมห์ส | 2.5-3.0 |
| ความถ่วงจำเพาะ | 15.60-19.30 |
| สี | Golden yellow |
| ความวาว | Metallic |
| สีเส้นขูด | Golden yellow |
| การแตกเรียบ | None |
| รอยแตก | Hackly |
| ความโปร่งใส | Opaque |
| ลักษณะผลึก | Octahedral, dendritic, nuggets, flakes |
ความแข็งโมห์ส
Mohs Hardness: 2.5 – 3.0
1 Soft10 Hard
ระบบผลึก
Cubic (Isometric)Explore on Science FYI
Frequently Asked Questions
What is the hardness of Gold?
Gold has a Mohs hardness of 2.5-3.0.
What crystal system does Gold belong to?
Gold crystallizes in the Cubic (Isometric) crystal system.
What color is Gold?
Gold is typically Golden yellow.
What type of luster does Gold have?
Gold exhibits a Metallic luster.
What is the chemical formula of Gold?
The chemical formula of Gold is Au.