Michigan Mineralogical Society

Nonprofit profile at a glance

EIN
386091037
IRS 990-EZ coverage
2020–2025
Forms available
Form 990-EZ 2025
Location
Redford, MI, USA
Phone
3132557774
Rating
57
Verdict
MIXED
Rating confidence
Moderate
Sector
Geology

Official website

Reported finances

Revenue
$28,274
Expenses
$12,687
Assets
$231,878
Liabilities
$0

Source: IRS Form 990-EZ. Selected filing: tax year 2025. Amounts in USD.

Leadership & pay

9 people listed

Executive titles in this filing

  • David Lurie (President)
  • Patricia Graves-Wesolosky (Past-President)
  • David Lowrie (Past-President)

People named in this filing

  • David Lurie (President)
  • John Peters (Treasurer)
  • Jonathan Nachman (Recording Secretary)

Selected names, not a complete roster or a statement of current roles. Open leadership details for the complete filed list.

Source: IRS Form 990-EZ. Selected filing: tax year 2025. Names and roles reflect this filing, not necessarily current officeholders.

Overview

Mission

Education

What it reported doing in 2025

Dinner banquet held for approx. 65 members with a professional keynote speaker

Operating model

Revenue model
Mixed. Its operating money came from several sources; no one source provided a clear majority.
Distribution model
Hybrid. The nonprofit split its reported program spending across 79% for direct work, and 21% for grants.

The verdict

MIXED - The filed numbers largely add up and program spending has grown recently. A relatively small share of available resources goes toward mission work and a relatively small share of total spending goes to programs.

Rating breakdown

  • Financial Efficiency: 30
  • Transparency & Controls: 82
  • Sustainability: 86
  • Growth: 100

Detailed rating inputs

Financial Efficiency

  • Mission deployment rate: 22.8%; rating input score 23
  • Program expense ratio: 41.5%; rating input score 42

Transparency & Controls

  • Consistency checks: 100%; rating input score 100; 51st percentile among comparable filings
  • Major donor itemization: Limited

Sustainability

  • Operating margin: 55.1%; rating input score 92; 92nd percentile among comparable filings
  • Total-asset coverage ratio: 18.28; rating input score 95; 95th percentile among comparable filings
  • Liabilities to assets ratio: 0; rating input score 66; 66th percentile among comparable filings
  • Officer compensation ratio: 0%; rating input score 56; 56th percentile among comparable filings

Growth

  • Program expense growth: 6% per year; rating input score 100; 63rd percentile among comparable filings
  • Revenue growth: 17.4% per year; rating input score 100; 88th percentile among comparable filings
  • Asset growth: 20.9% per year; rating input score 100; 85th percentile among comparable filings

Details

  • Where the money goes: 22.8% of revenue deployed · 41.5% of spending went to programs
  • Governance: Filed governance answers
  • Accomplishments: 4 filed program accomplishments · $5K in reported program spending
  • Leadership: top reported pay $0 · 9 people listed
  • Consistency: 9 of 9 current checks pass
  • Schedules: 2 filed schedules
  • Filing history: 6 filing years from 2020 to 2025
  • Contacts: How to reach this organization
  • Grant readiness: Federal tax and exclusion status, award history, and grant-maker relationships.
  • People: Everyone the filings name, and which of them the filings identify by more than a name.

Key Signals

Signals prioritize questions for review. They are not findings of misconduct.

  • High — Financial Efficiency: Mission deployment rate scored 23/100.
  • Moderate — Financial Efficiency: Program expense ratio scored 42/100.
  • Review — Sustainability: Officer compensation ratio scored 56/100.