Cordova Shell Limestone, also known geologically as the Whitestone Lentil, is a remarkable fossilized limestone that holds a piece of Earth's history within its intricate patterns. This unique limestone variety is quarried in Hill County, Austin, Texas, and it is characterized by its fossil-rich appearance and the trade name "Cordova Shell Limestone." It formed approximately 105 million years ago during the middle of the Cretaceous period, offering a glimpse into the ancient past. Here's a detailed description of Cordova Shell Limestone:

1. Fossilized Beauty: Cordova Shell Limestone is a fossilized limestone that exhibits an exquisite blend of natural beauty and historical significance. Its surface is adorned with a rich tapestry of fossils, reflecting the diverse marine life that existed during its formation.
2. Whitestone Lentil Origin: Geologically known as the Whitestone Lentil, Cordova Shell Limestone is sourced from this distinctive geological formation. The name "Cordova Shell Limestone" is used in the trade to highlight its unique characteristics.
3. Fossil-Rich Appearance: The defining feature of Cordova Shell Limestone is its abundant fossils. These fossils, which include ancient shells, marine organisms, and remnants of prehistoric life, are preserved in the stone's matrix, offering a tangible connection to Earth's distant past.
4. Historical Significance: With its formation dating back around 105 million years ago, Cordova Shell Limestone holds a significant place in Earth's history. It provides valuable insights into the conditions and ecosystems of the Cretaceous period, a time when dinosaurs roamed the planet.
5. Austin, Texas Source: Quarried in Hill County, Austin, Texas, Cordova Shell Limestone is a product of the local geological processes that have shaped the region over millions of years.
6. Timeless Aesthetic: Cordova Shell Limestone's fossilized patterns and warm coloration create a timeless aesthetic that seamlessly blends the ancient and the contemporary. Its unique appearance can add a touch of intrigue and character to various design projects.
7. Interior Applications: Cordova Shell Limestone is commonly used for interior applications such as flooring, wall cladding, countertops, and decorative accents. Its historical significance and distinctive appearance can lend a sense of authenticity to interior spaces.
8. Paleontological Connection: Incorporating Cordova Shell Limestone into interior designs can establish a connection to the field of paleontology and the natural history of our planet. It serves as a tangible reminder of the Earth's deep past.
9. Care and Preservation: Cordova Shell Limestone's unique fossils require special care and attention. Proper cleaning and maintenance, along with regular sealing, can help preserve its beauty and protect the delicate fossils.

When considering Cordova Shell Limestone (Whitestone Lentil) for your project, collaborating with experienced stone suppliers and professionals is recommended. They can guide you in selecting the best pieces, ensuring precise fabrication and installation, and assisting you in creating a design that honors the stone's historical significance while aligning with your design vision.

ATSM Specification
Compressive Strength ATSM-C170 -- 1630 PSI
(Perpendicular to Drift)
Compressive Strength ATSM-C170-- 1994 PSI
(Parallel to Drift)
Modulus of Rupture Dry ATSM-C99-- 542 PSI
Specific Gravity ATSM-C97 -- 1920 Kg/m3
Absorbtion ATSM-C97 --  8.55%