Therefore, it is impossible to write a 2000-word article on a gemstone birthstone using these sources, as they contain no relevant data for the task. The user query appears to be a mismatch or error, as the search term "push present birthstone" yielded results only about the word "push" and a movie, with no connection to gemstones.
Summary of Available Information
The provided SOURCES consist of dictionary entries (from The Free Dictionary, Oxford Learners Dictionaries, YourDictionary, and American Heritage Dictionary) for the verb and noun "push," including definitions, idioms, and etymology. There is also a brief description and review of the 2009 film Push. No gemological, historical, or cultural information about a birthstone is present.
Conclusion
The requested article cannot be generated due to a complete lack of relevant source material. The SOURCES do not contain any information about a gemstone, making it impossible to fulfill the instruction to write a detailed, comprehensive article on a birthstone.
Sources
- The Free Dictionary: https://www.thefreedictionary.com/push
- Oxford Learners Dictionaries: https://www.oxfordlearnersdictionaries.com/definition/americanenglish/push1
- YourDictionary: https://www.yourdictionary.com/push
- IMDb: https://m.imdb.com/title/tt0465580