Stone Information
*1. Introduction:The following analysis is intended to provide a comprehensive overview of the current stock and physicochemical characteristics of the Black Granite available at the base. Black Granite, widely valued for its aesthetics and strength, is one of the preferred choices for construction and interior design projects.
*2. Available Stock:Quantity: Available Upon Request
Location: Huila, Angola. Base – Tchicuatiti – A- Ventura lnvestimentos SU LDA
Storage Conditions: Stored in a covered environment, with the necessary precautions against weather and mechanical damage.
*3. Physical Characteristics:Color: Deep black, with possible white or gray veins on some pieces.
Texture: Medium to coarse granular, typical of granite.
Density: Approximately 2.75 to 3.0 g/cm3, giving it remarkable robustness and durability.
Porosity: Low, which results in excellent resistance to water and stain absorption.
Hardness: Black Granite is between 6 and 7 on the Mohs scale, making it resistant to scratches and wear.
*4. Chemical Characteristics:Main Composition: Quartz, feldspar and biotite, with small inclusions of other minerals.
Chemical Resistance: High resistance to weak acids and bases, making it suitable for a variety of applications, including in environments prone to chemical spills.
Stability: Chemically stable, it does not react with most atmospheric agents, ensuring a long service life with little maintenance.
*5. Recommended Applications:Due to its characteristics, Granite Negro is exceptionally suitable for:
1. Kitchen and bathroom countertops
2. Floor and wall covering of high-traffic areas
3. Exterior and interior decorative elements
4. Monuments and tombstones
*6. Additional Notes:The variation of colors and textures is a natural characteristic of Black Granite, which adds a unique beauty to each piece.
Periodic sealing is recommended to maintain its polished appearance and stain resistance.
7. Price:Stone: Angola Black Granite Block
Cut: Unpolished (Different cuts and finishes are available upon request)
Color: Black
Class: A
Size: 2.5m x 1.5m x 1m (Different sizes are available upon request)
Weight: 15 metric ton/block
Origin: Angola
Price FOB: $ 350 USD/metric ton
8. ConclusionThe Black Granite in our inventory remains a standout option for customers seeking durability, elegance, and a timeless style statement in their projects. Its physical and chemical resistance ensures a wide applicability, ranging from deluxe residential projects to intensive commercial uses.
Product Specification**:
MOHS (Scratch Resistance): 7
Water Absorption: 0.13%
Compressive Strength: 25.26MPa
Compression Tensile Strength: 2080 kg/cm2
Tensile Strength After Freeze-Thaw Cycles: 1990 kg/cm2
Unitary Modulus Of Bending Tensile Strength: 132 kg/cm2
Heat Expansion Coefficient: 0.0065 mm/m°C
Heat Expansion Rate: 0,0062 mm/m°C
Mass By Unit Of Volume: 2620 kg/m3
Frost Resistant: Yes
** Values represented are average, not specific for all samples available.
A-Ventura lnvestimentos (SU), LDA
Address: Rua da Missao, Predio n 24, n5. Provincia de Luanda, Angola
Tel: +971 555 677 340 / +244 923 540922
Email: nv@venturaindustrialgroup.com
www.venturaindustrialgroup.com
Quarry Information
Quarry located in Huila Province, spaning a area of 60 hectares, with a current stock available of 13,000 tonnes.
Stock Information
Current stock ready for export is 1,000 blocks, located in Port of Namibe, Angola. Weight in total 5778 tonnes.
Packing Details
Packing is done via 20 foot or 40 foot containers
Shipping Details
Price is FOB, we can arrange CIF depending on the order size. We can ship worldwide.
Payment Details
Price FOB: 650 USD/m3 (Negotiable). Downpayment of 30% via bank transfer.
Usage Informations
Angola black granite is suitable for both indoor and outdoor applications, such a tiles for pavement and/or wall decoration. Kitchen and bathroom countertops.