VOOZH about

URL: https://www.mindat.org/min-50503.html

⇱ Hornblende-biotite granite: Mineral information, data and localities.

👁 Image
Now Featuring: The Bruce Carter Collection at Heritage Auctions, Live May 16th
Log InRegister
AboutSupport UsPhotosDiscussionsSearchLearnMore

Hornblende-biotite granite

A rock subtype
This page is currently not sponsored. Click here to sponsor this page.

About Hornblende-biotite graniteHide

This section is currently hidden. Click the show button to view.
A granite containing biotite and hornblende.


Unique IdentifiersHide

This section is currently hidden. Click the show button to view.
Mindat ID:
50503
Long-form identifier:
mindat:1:1:50503:3

Classification of Hornblende-biotite graniteHide

This section is currently hidden. Click the show button to view.
👁 QAPF_P_3.png

Granite is in section 3 of the QAPF diagram.

Sub-divisions of Hornblende-biotite graniteHide

This section is currently hidden. Click the show button to view.

Mineralogy of Hornblende-biotite graniteHide

This section is currently hidden. Click the show button to view.
Essential minerals - these are minerals that are required within the classification of this rock:
Amphibole > HornblendeAnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Feldspar > Alkali FeldsparA subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium.
Feldspar > Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Mica > BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Silica > QuartzSiO2

Synonyms of Hornblende-biotite graniteHide

This section is currently hidden. Click the show button to view.

Internet Links for Hornblende-biotite graniteHide

This section is currently hidden. Click the show button to view.
mindat.org URL:
https://www.mindat.org/min-50503.html
Please feel free to link to this page.

References for Hornblende-biotite graniteHide

This section is currently hidden. Click the show button to view.
Reference List:
Quick NavTopAbout Hornblende-biotite graniteUnique IdentifiersClassification Sub-divisions Mineralogy SynonymsInternet Links References
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: April 4, 2026 10:14:07 Page updated: December 30, 2025 15:59:30
Go to top of page