# John's Stone, a quartzite boulder on Stoykovich Mountain

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

Source: https://mysteriesdept.com/mysteries/tunguska-event/artifacts/ART0D4ECT4W0R4X/johns-stone-a-quartzite-boulder-on-stoykovich-mountain  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

---

[Mysteries](https://mysteriesdept.com/mysteries)[1908 Tunguska event](https://mysteriesdept.com/mysteries/tunguska-event)[Artifacts](https://mysteriesdept.com/mysteries/tunguska-event#artifacts)John's Stone, a quartzite boulder on Stoykovich Mountain

**ART** 0D4ECT4W0R4X·Artifact · object

# John's Stone, a quartzite boulder on Stoykovich Mountain

PhotographCC BY 4.0Found 19 July 1972

[Cite]

[![John's Stone, a quartzite boulder on Stoykovich Mountain: picture](https://mysteriesdept.com/media/folio/tunguska-event-a-johns-stone-c0)](https://mysteriesdept.com/media/folio/tunguska-event-a-johns-stone-c0?w=2000)

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

[![John's Stone, a quartzite boulder on Stoykovich Mountain: picture](https://mysteriesdept.com/media/folio/tunguska-event-a-johns-stone-c0)][![John's Stone, a quartzite boulder on Stoykovich Mountain: photo](https://mysteriesdept.com/files/v/09785837caef7da49d71bd6df71d3b2986025d9463579a5c6743ff82ae51fd90/w800)]

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 2

**Picture** Cmbrenneisen58 · commons.wikimedia.org · CC BY 4.02 steps from the original

[Where it's published](https://commons.wikimedia.org/wiki/File:JohnStone.jpg)

**Photo** Cmbrenneisen58 (Wikimedia Commons) · commons.wikimedia.org · 2008-05-08 · CC BY 4.02 steps from the original

[Where it's published](https://commons.wikimedia.org/wiki/File:JohnStone.jpg)[Download](https://mysteriesdept.com/files/d/09785837caef7da49d71bd6df71d3b2986025d9463579a5c6743ff82ae51fd90)

## Where it was made

[Tunguska epicentre (Kulik's "Southern Swamp" area)](https://mysteriesdept.com/records/PLC0D4EC4DJ2V7J/tunguska-epicentre-kuliks-southern-swamp-area) · Forest

## Sources 1

- [Computation of a possible Tunguska's strewn field](https://mysteriesdept.com/sources/SRC0D4EBX367RST/computation-of-a-possible-tunguskas-strewn-field)_SRC_

## Cite it

```
Mysteries Department. (2026). John's Stone, a quartzite boulder on Stoykovich Mountain [Artifact ART0D4ECT4W0R4X]. https://mysteriesdept.com/r/ART0D4ECT4W0R4X
```

Key

**ART** 0D4ECT4W0R4X

Kind

Object

Held by

in situ near the epicentre

Dated

found 19 July 1972

Licence

CC BY 4.0

Place

[Tunguska epicentre (Kulik's "Southern Swamp" area)](https://mysteriesdept.com/records/PLC0D4EC4DJ2V7J/tunguska-epicentre-kuliks-southern-swamp-area)

Part of

[1908 Tunguska event](https://mysteriesdept.com/mysteries/tunguska-event)

The record

Every record is open data. Take this one as JSON, with its links and its history.

[JSON](https://mysteriesdept.com/api/v1/records/ART0D4ECT4W0R4X)