vàng đá

Một người thợ kim hoàn đang kiểm tra một viên vàng đá dưới ánh đèn.

Definition

1. Noun:
   • Native gold / gold nugget: A natural, unrefined form of gold found in its pure, metallic state within rock formations or placer deposits. It refers specifically to gold as it occurs in nature, not as processed jewelry or coinage.
   • Gold ore: Rock or mineral material that contains a valuable concentration of native gold.

Usage Examples

• Noun:
  • Các thợ mỏ tìm thấy một cục vàng đá lớn trong lòng suối. (The miners found a large gold nugget in the stream bed.)
  • Vùng này nổi tiếng có nhiều mỏ vàng đá. (This region is famous for having many native gold deposits.)

Advanced Usage

• The term "vàng đá" is somewhat archaic or literary in modern Vietnamese. In contemporary geological or mining contexts, terms like "vàng tự nhiên" (natural gold) or "quặng vàng" (gold ore) are more commonly used.
• It can be used metaphorically to describe something of great, inherent, and unadulterated value.
  • Tình bạn của họ như vàng đá, nguyên chất và bền vững. (Their friendship is like native gold, pure and enduring.)

Variants and Related Words

• Vàng nguyên sinh (n): Primary gold (gold in its original, unweathered deposit).
• Vàng sa khoáng (n): Placer gold (gold that has been eroded from its original rock and concentrated in sediments).
• Quặng vàng (n): Gold ore.
• Vàng miếng (n): Gold bullion/bar (refined and shaped).

Synonyms

• Gold nugget: A small, solid lump of native gold.
• Native gold: Gold found in nature in a metallic form.
• Placer gold: Gold accumulated in sand or gravel deposits.

Related Idioms

• Quý như vàng đá: To be as precious as native gold. Used to emphasize the immense, inherent value of something or someone.
  • Kinh nghiệm thực tế quý như vàng đá. (Practical experience is as precious as native gold.)