Quality:

Pencil cleavage - geological phenomenon. Article “Pencil cleavage” in English Wikipedia has 14.7 points for quality (as of July 1, 2025).
Since the creation of article “Pencil cleavage”, its content was written by 8 registered users of English Wikipedia and edited by 8 registered Wikipedia users in all languages.
The article is cited 1 times in English Wikipedia and cited 1 times in all languages.
The highest Authors Interest rank from 2001:
- Local (English): #213704 in February 2013
- Global: #738268 in February 2013
The highest popularity rank from 2008:
- Local (English): #1972332 in February 2013
- Global: #3478787 in December 2015
There is 1 language version for this article in the WikiRank database (of the considered 55 Wikipedia language editions).
The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).