LABRADORITE
VOLGA BLUE CLASSIC
Labradorite forms deep within the Earth’s crust through the cooling of magma. This process involves the crystallization of minerals rich in calcium and sodium, creating plagioclase feldspar. The stunning iridescence, known as labradorescence, is due to thin layers within the crystal that refract and scatter light. Over millions of years, geological processes bring these beautiful stones to the surface, where they can be mined and admired for their unique play of colors
characteristics
Location and Geological Setting
- Region: North-west of the Ukrainian Shield
- Specific Area: Southern part of the Korosten Plateau
- Massif: Attached to the eastern contact of the Volodarsk Volynsky gabbro-anorthosite massif
- Rock Types: Middle Proterozoic rocks covered with weathering crust and meso-Cenozoic sedimentary formations
Geological Structure
- Formation: Crystal of gabbro-anorthosite rocks from the Korosten Plateau
- Overlay: Weathering crust of crystalline rocks and alluvial-fluvioglacial deposits of the Quaternary age
- Precambrian Rocks: Includes gabbro, gabbro-anorthosites, labradorite, and rapakivi granite
- Area: Extreme southeastern part of the Volyn main massif
- Composition: Anorthosites from the structural and petrographic complex of developed intrusive rocks
- Exploration: Uncovered Precambrian crystalline rocks and Quaternary sediments
- Appearance: Dark gray, coarse-grained labradorite
- Main Mineral: Plagioclase (90-95%)
- Texture: Dense with a bluish sheen on cleavage planes
Density or volumetric weight | 2800-2830 kg/m³ |
Water absorption | 0,21% |
Compressive strength limit | 168 MPa |
Bending strength limit | 56 MPa |
Attrition coefficient | 0,65g/cm² |
Commercial name | Volga Blue MK |
Quarry location | Ukraine, Zhytomyr region |
- Fracture: Lack of systematic directions and varying degrees of density; crack distance varies from 0.8 to 3.5 m
- Overburden: Grus (0.9 m thick) and sand, covered by soil and plants
Watercourses and River Characteristics
- Bystriyivka River: 3-5 m wide, 0.5 to 0.8 m deep, flow velocity is small, flood flow of 1.5 m³/s
- Crystalline Rocks: Unstable watercourses, practically absent in the deposit zone
- Quarry Conditions: Generally dry, with occasional water leakage during intense precipitation; total inflow up to 0.1 m³/s
- Water Discharge: Directed to Bystriyivka River after sedimentation
Mineral Characteristics
- Type: Gray, coarse-grained labradorites of various shades
- Weathering: Represented by unweathered labradorite
Chemical Composition
- Compliance: Meets the State Standard for block and facing product production, as well as quarry stone and crushed stone
Mineral Reserves
Approved Reserves by Ukrainian TKZ:
- Category A: 450,000 m³
- Category B: 133,000 m³
Location and Geological Setting
- Region: North-west of the Ukrainian Shield
- Specific Area: Southern part of the Korosten Plateau
- Massif: Attached to the eastern contact of the Volodarsk Volynsky gabbro-anorthosite massif
- Rock Types: Middle Proterozoic rocks covered with weathering crust and meso-Cenozoic sedimentary formations
Geological Structure
- Formation: Crystal of gabbro-anorthosite rocks from the Korosten Plateau
- Overlay: Weathering crust of crystalline rocks and alluvial-fluvioglacial deposits of the Quaternary age
- Precambrian Rocks: Includes gabbro, gabbro-anorthosites, labradorite, and rapakivi granite
- Area: Extreme southeastern part of the Volyn main massif
- Composition: Anorthosites from the structural and petrographic complex of developed intrusive rocks
- Exploration: Uncovered Precambrian crystalline rocks and Quaternary sediments
- Appearance: Dark gray, coarse-grained labradorite
- Main Mineral: Plagioclase (90-95%)
- Texture: Dense with a bluish sheen on cleavage planes
- Fracture: Lack of systematic directions and varying degrees of density; crack distance varies from 0.8 to 3.5 m
- Overburden: Grus (0.9 m thick) and sand, covered by soil and plants
Watercourses and River Characteristics
- Bystriyivka River: 3-5 m wide, 0.5 to 0.8 m deep, flow velocity is small, flood flow of 1.5 m³/s
- Crystalline Rocks: Unstable watercourses, practically absent in the deposit zone
- Quarry Conditions: Generally dry, with occasional water leakage during intense precipitation; total inflow up to 0.1 m³/s
- Water Discharge: Directed to Bystriyivka River after sedimentation
Mineral Characteristics
- Type: Gray, coarse-grained labradorites of various shades
- Weathering: Represented by unweathered labradorite
Chemical Composition
- Compliance: Meets the State Standard for block and facing product production, as well as quarry stone and crushed stone
Mineral Reserves
Approved Reserves by Ukrainian TKZ:
- Category A: 450,000 m³
- Category B: 133,000 m³