Data updated: July 2026
Cory Cotter, PhD β
@michigan_rocks_and_minerals Β· Instagram Β· US Β· education
About Cory Cotter, PhD
Cory Cotter, PhD, operates the Instagram account 'michigan_rocks_and_minerals,' focusing on educational content related to rocks and minerals. With a follower count of 111,008, Cory is positioned within the mid-range of follower buckets. As a teacher and educator, he utilizes various content formats, including reels, static posts, carousels, and long-form videos, to engage his audience. His authoritative and professional tone is evident in his educational and informative posts. Some content may require brand review.
@michigan_rocks_and_minerals's followers & following
@michigan_rocks_and_minerals currently has 111,008 followers on Instagram and follows 31 accounts, a follower-to-following ratio of 3,580.9. That places the account in the mid tier of education creators.
@michigan_rocks_and_minerals's content
@michigan_rocks_and_minerals has published 2,405 posts to date, working across reels, static-posts, carousels, long-form-video. The account's content is classified under education, education, self-improvement. Bio: βWebsite Below πβ
AI quality check on @michigan_rocks_and_minerals
Zaver's AI analyzed this account across 20+ parameters before listing it publicly. No blocking issues were detected in our standard screening.
- Audience location & demographics
- Engagement quality & authenticity
- Follower growth patterns
- Signs of purchased followers
- Content niche classification
- Brand safety screening
- Posting activity & consistency
- Language & audience fit
@michigan_rocks_and_minerals's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@michigan_rocks_and_minerals's audience
Audience snapshot
50% male Β· 50% female
Core age group25-34
The audience is primarily based in the US, with a notable age skew towards individuals aged 25-34. The gender distribution is balanced, with a 50% male audience. This suggests a diverse and engaged follower base interested in educational content.
Collaboration pricing
Price tierstandard
Get the AI fair-price estimate β free trialWhich brands fit Cory Cotter, PhD?
Cory Cotter is well-suited for collaborations with brands in the education and self-improvement sectors. His authoritative and informative content style aligns well with brands that aim to educate and engage their audience, making him an ideal partner for educational initiatives.
Frequently asked questions
How many Instagram followers does @michigan_rocks_and_minerals have?
As of July 2026, @michigan_rocks_and_minerals has 111,008 followers (111K) on Instagram, follows 31 accounts, and has published 2,405 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @michigan_rocks_and_minerals?
Verified contact details for @michigan_rocks_and_minerals β including business email where available β are held in Zaver, alongside contacts for 77M+ other Instagram creators. Zaver users can unlock them instantly and reach out with AI-personalized outreach. Unlock @michigan_rocks_and_minerals's contact info β free trial β
How much does @michigan_rocks_and_minerals charge for a sponsored post?
@michigan_rocks_and_minerals sits in the standard price tier on Zaver, based on follower scale, engagement and niche. Zaver's AI pricing model also produces a fair per-post price range with justification, so brands can negotiate from data instead of guessing. Get the AI fair-price estimate β
What is @michigan_rocks_and_minerals's net worth?
@michigan_rocks_and_minerals's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 111K followers and a standard price tier in education, brand collaborations are a meaningful income stream β Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate β
Does @michigan_rocks_and_minerals have fake followers?
Zaver's AI authenticity check scores @michigan_rocks_and_minerals 95/100, based on 20+ signals including engagement quality, follower growth patterns and signs of purchased followers. That indicates a predominantly genuine audience. Run the full authenticity check β
Who follows @michigan_rocks_and_minerals?
@michigan_rocks_and_minerals's 111K followers skew 50% male / 50% female, core age group 25-34. Full audience breakdowns β age bands, gender split and country-level distribution β are part of @michigan_rocks_and_minerals's report on Zaver.
Which influencers are similar to @michigan_rocks_and_minerals?
Zaver lists comparable education creators in United States in the "Influencers like @michigan_rocks_and_minerals" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 10,369 vetted education creators with plain-English queries.
What is the follower count?
Cory Cotter has 111,008 followers.
What is the engagement rate?
The engagement rate is currently not available.
What is the collaboration pricing?
Cory is in the standard price tier for collaborations.
What is the content niche?
Cory primarily focuses on education, with a secondary emphasis on self-improvement.
Influencers like @michigan_rocks_and_minerals
Proven at world-record scale: Zaver tracked 1,060 creators in real time for Godrej Ivara's Guinness World Recordsβ’ attempt.
See the case study βGet full insights on this creator before you spend a dollar
Zaver runs 20+ AI checks β real followers, true engagement, fair price β on any creator in seconds.