Talc: Mineral information, data and localities.

Almost always in foliated masses ranging from white to beautiful bluish green. Usually found in metamorphic rocks with abundant carbonate minerals

Specimen Identification Guide, Public

What's the risk? Talc-based Cosmetic Products - Center for Research on Ingredient Safety

Glad You Asked: How Do Geologists Identify Minerals? - Utah Geological Survey

Talc Properties, Formation, Occurrence and Uses Area

Talc Properties, Formation, Occurrence and Uses Area

Ullmannite: Mineral information, data and localities.

Dickite - Wikipedia

Discovering new mining deposits with big data - Mining Technology

Stenonite: Mineral information, data and localities.