obsidianic

the obsidianic rock glimmers with a dark, glassy sheen under the moonlight.

scientists examined the obsidianic texture of the volcanic glass to understand its formation.

the museum displayed a rare obsidianic artifact that dates back to the bronze age.

in the canyon, the obsidianic formations create a striking contrast against the red sandstone.

the polished obsidianic surface reflected the sunrise in vivid colors.

researchers collected obsidianic fragments from the ancient site for radiocarbon dating.

the obsidianic lava flow hardened into a smooth, mirror-like crust.

the black sand beach was composed mainly of obsidianic grains, giving it a metallic luster.

the geologist described the obsidianic deposits as a key indicator of past volcanic activity.

the artist carved an intricate sculpture from a block of obsidianic material.

the hiker noticed the obsidianic shards scattered along the trail after the eruption.

the lab’s analysis revealed high silica content in the obsidianic samples.