About Our Quarry
A Century in the Making, Built for the Future
Located in the heart of Kottarakkara, Kollam, M/s **Galaxy Rocks** operates one of the most consistent granite deposits in the region. Over the years, we have transitioned from traditional stone-cleaving methods to a modern, safety-certified, and technologically advanced quarry operation. Our quarry deposit belongs to the metamorphic charnockite rock belt, highly regarded in geological engineering for its compact grain structure and resistance to decay.
We established Galaxy Rocks with a singular vision: to address the growing demand for authentic, premium structural basement stones in Kerala's housing sector. We understand that a house is a lifetime investment, and its longevity is directly linked to the physical properties of the materials underlying it. By enforcing strict quality benchmarks, we have become the trusted supply partner for leading builders, structural architects, and stone mason guilds across Kollam.
The Crucial Role of Granite in House Basements
Understanding the physics of structural masonry helps home builders select materials that ensure geological security and prevent structural degradation.
Why Granite building stones outclass all alternatives:
In tropical zones like Kottarakkara, Kollam, sub-soils remain saturated with groundwater during monsoon peaks. Foundations constructed using cheap concrete blocks, porous laterite stones, or hollow bricks act like sponges. Through a physical process called capillary action, moisture travels upward into the living walls, causing dampness, plaster peeling, and structural steel corrosion.
**Granite Building Stone** features an incredibly tight crystalline lattice formed under deep earth pressure over millions of years. With a moisture absorption rate of less than 0.2%, it is a natural water barrier. Furthermore, the massive weight of granite rubble masonry creates a highly stable gravitational counterweight, successfully resisting lateral soil forces, land settling, and ground vibrations.
When random rubble building stones are set with proper bond stones and premium mortar, they spread the house's load uniformly across the earth, ensuring the building's main framework remains safe from structural cracking.
Compressive Strength Index
Concrete blocks average a compressive strength of 5 to 15 MPa. Galaxy Rocks granite building stone averages **200+ MPa**, providing unmatched load-bearing capacity.
Chemical Stability
Our granite stones contain zero calcite or sulfate deposits. Unlike sedimentary limestone, it remains entirely immune to acid rains, ground chemical reactions, or root penetrations.
Our Mission
To quarry and deliver the highest structural grade granite building stones while maintaining a completely compliant, environmentally conscious, and safe operational footprint that supports Kollam's sustainable infrastructure growth.
Our Vision
To remain the primary geological standard for foundation materials in Kerala. Combining classical stone-craft dressing with ecological responsibility, ensuring that future generations build their homes on absolute strength.
Safety & Community
We prioritize the health of our local workforce and surrounding communities. Enforcing controlled daytime blasting schedules, active wet dust suppression, and investing heavily in local community infrastructure in Kummil Panchayat.
The Kerala Builder's Encyclopedia
A geological and structural engineering guide for premium residential foundations and civil masonry in Kollam and surrounding regions.
1. Charnockite Belt Geology
The granite extracted at the Galaxy Rocks quarry in Kottarakkara, Kollam, belongs to the highly stable Pre-Cambrian Charnockite rock belt of Southern India. Charnockite is a metamorphic granite characterized by a high proportion of interlocking quartz, feldspar, and hypersthene minerals. This tight micro-crystalline matrix was formed under extreme lithostatic pressure and thermal conditions deep within the earth's crust over 500 million years ago. For modern home builders in Kerala, this geological origin translates to a rock that is virtually impervious to chemical weathering, acid rain decay, and mineral oxidation.
Unlike soft sedimentary sandstones or porous laterite stones, charnockite granite retains its structural cohesion indefinitely. It acts as an absolute barrier against aggressive subsoil groundwater chemicals, preserving the integrity of structural concrete and mortar interfaces for multi-generational lifespans.
2. Foundation Engineering Specs
In structural masonry engineering, the foundation must successfully absorb vertical gravitational dead-loads, live-loads, and lateral earth pressures. Random Rubble (R.R.) stones from our Kollam quarry offer a compressive strength exceeding 200 MPa, compared to only 5 to 15 MPa for standard concrete blocks. This immense strength allows architects to design narrower yet stronger load-bearing basement structures, saving cost while increasing safety margins.
Additionally, our hammer-dressed stones provide critical corner interlockings (quoins) that prevent structural shear failures. The high density of our granite (approximately 2.7 grams per cubic centimeter) adds significant gravitational dead-weight, helping the house basement act as a heavy counterweight against seasonal ground shifts, soil settlement, and potential micro-seismic activity common in tropical climates.
3. Capillary Break & Moisture Barrier
Kerala's heavy monsoon seasons saturate the clay-rich topsoils with moisture. Under normal conditions, water from the saturated earth travels upward through porous foundation materials (such as laterite or brick) by capillary action, a phenomenon known as rising damp. This moisture eventually reaches the interior plaster, causing paint peeling, mold growth, and respiratory health hazards.
Using premium high-density granite random rubble with a water absorption rate under 0.2% establishes a natural capillary break. The dense crystalline lattice does not allow water molecules to penetrate, protecting your home's superstructure from dampness, damp-induced concrete carbonation, and foundation reinforcement corrosion.
4. Kerala Mining Manifest Compliance
Sourcing legal quarry materials is essential for avoiding regulatory delays and securing structural approvals. Galaxy Rocks operates in strict compliance with the Kerala Minor Mineral Concession Rules. Every single truckload of random rubble or structural aggregate dispatched from our Kottarakkara yard is accompanied by official, authorized e-Passes and mining passage manifests (P-Forms).
This rigorous legal compliance guarantees that the granite stones utilized in your building's foundation are ethically quarried and legally transported. This transparency provides absolute peace of mind during municipal inspections and bank loan approvals, and supports legal, ecological quarrying standards across the Kollam district.