toàn tinh

Đá toàn tinh có cấu tạo từ các tinh thể rõ ràng.

Definition

1. Adjective:
   • Holocrystalline: A geological term describing an igneous rock whose entire mass is composed of crystals, with no glassy or amorphous material present. It indicates a rock that has cooled slowly enough for complete crystallization to occur.

Usage Examples

• Adjective:
  • Đá granit thường là đá toàn tinh. (Granite is typically a holocrystalline rock.)
  • Dưới kính hiển vi, mẫu vật này cho thấy cấu trúc toàn tinh rõ ràng. (Under the microscope, this sample shows a clear holocrystalline structure.)

Advanced Usage

• The term is primarily used in specialized scientific contexts like petrology, mineralogy, and geology to classify rocks based on their crystallinity.

Variants and Related Words

• Cấu trúc toàn tinh (n): holocrystalline structure.
  • Cấu trúc toàn tinh phản ánh quá trình nguội lạnh chậm. (A holocrystalline structure reflects a slow cooling process.)

Synonyms

• Fully crystalline: Completely made up of crystals.
• Panidiomorphic: A related textural term for rocks where most crystals have their own characteristic shapes.

Related Terms (Contextual)

• Đá bán tinh (n): hypocrystalline rock (a rock with both crystalline and glassy components).
• Đá thủy tinh (n): glassy rock or holohyaline rock (a rock with a fully glassy texture).