John's Stone, a quartzite boulder on Stoykovich Mountain: picture

PhotographCC BY 4.0Found 19 July 1972Copy of John's Stone, a quartzite boulder on Stoykovich Mountain

Cite

About 2.0 × 1.5 × 1.0 m, 98.5% SiO2, roughly 10 tonnes; probably terrestrial, though proposed as an unusual meteorite.

Cmbrenneisen58, 1972. CC BY 4.0

Copies 1

PictureCmbrenneisen58 · commons.wikimedia.org · CC BY 4.02 steps from the original

Where it's published

Where it was made

Tunguska epicentre (Kulik's "Southern Swamp" area) · Forest

Sources 1

Computation of a possible Tunguska's strewn fieldSRC

Cite it

Mysteries Department. (2026). John's Stone, a quartzite boulder on Stoykovich Mountain: picture [Copy CPY0D4ECWTT117S]. https://mysteriesdept.com/r/CPY0D4ECWTT117S

@misc{mysteriesdept_art0d4ect4w0r4x,
  title     = {John's Stone, a quartzite boulder on Stoykovich Mountain: picture},
  author    = {{Mysteries Department}},
  year      = {2026},
  note      = {Artifact, catalog key CPY0D4ECWTT117S},
  url       = {https://mysteriesdept.com/r/CPY0D4ECWTT117S}
}