2,558

. This is a "solid feature" used by researchers to confirm the presence of this specific substance within mineral samples.

Because "2,558" refers to various technical and historical subjects, here are solid features for the most prominent associations with that number: Scientific Discovery: Phase Transitions In the study of

: Many Egyptologists believe the face of the Sphinx was carved to represent Khafre himself. Scientific Discovery: Phase Transitions 2558A AC Voltage Current Standard User's Manual

In the study of natural fluid inclusions (like those found in minerals), the number 2,558 identifies a specific vibrational peak in . Solid H2Scap H sub 2 cap S Identification : At -110negative 110 °C, the solid phase of Hydrogen Sulfide ( H2Scap H sub 2 cap S ) is characterized by a single Raman peak at the number 2

: Archaeological evidence suggests the Sphinx was carved directly from the limestone bedrock of the Giza Plateau during Khafre's reign.

A classic graphite pencil known for its solid build quality and high-quality leads, typically available in grades. 2558A AC Voltage Current Standard User's Manual