Yellow Muscovite Meaning, Metaphysical Energy & Geology

Raw zoned mica specimen with pale muscovite center and purple lepidolite rim; edited display photograph. — Raw zoned mica specimen · edited display photo. Original photograph preserved in the report below.

This raw mica specimen has a pale, yellow-appearing center surrounded by a purple rim. Testing separated the two zones: muscovite at the center and lepidolite at the rim.

Finding: The analyzed pale core is muscovite; the purple rim is lepidolite. A visual color name alone would not distinguish the two.

Raw zoned mica: purple and pale zones

The May 8, 2020 report examined a 5.3 cm raw mica specimen (sample 9006). It identifies the purple rim as lepidolite and the pale core as muscovite. The direct current plasma analysis reported about 6.7 wt.% Li₂O in the lepidolite zone and about 0.8–1.2 wt.% Li₂O in the muscovite zone. The report calls the core colorless; the yellow appearance of the material is a visual description, not a separate mineral identification.

Raw specimen report, three pages. Select a page to enlarge.

Page 1 of 3

Page 2 of 3

Page 3 of 3

Understanding the report figures

Use this guide alongside the written findings and the original report transcript. It explains the purpose of each analytical figure and preserves the laboratory’s own figure labels. The interpretations apply to the tested specimen; signals alone do not establish the identity of every similar-looking stone.

Elemental spectrum: The peaks record characteristic X-ray signals from elements in the analyzed spot or area. This is an analysis of that location, not automatically of the entire specimen. Any mineral identification or uncertainty named in the laboratory caption is retained below.
Laboratory figure caption: Fig. 2: Energy dispersive spectrum of point 1 in the purplish rim of the specimen. (lepidolite)
Elemental spectrum: The peaks record characteristic X-ray signals from elements in the analyzed spot or area. This is an analysis of that location, not automatically of the entire specimen. Any mineral identification or uncertainty named in the laboratory caption is retained below.
Laboratory figure caption: Fig. 3: Energy dispersive spectrum of point 2 in the colorless core of the specimen. (muscovite)

Read the report as text

This text is transcribed from the laboratory report so the findings and figure captions can be read without opening the page images. The images remain available above for visual details.

Laboratory report

                                                 Analytical Result Report

Sample id: 9006
Submitted by: Kathreen Bitner
Date submitted: May 4, 2020
Date completed: May 8, 2020
Operating conditions: JEOL JSM-6400 operated at 25 kV acceleration potential, 15 mm working distance, 15 degrees
sample tilt, coated with 250 Å carbon. Using the X-ray fluorescence attacement with 35kv potental in conjunction with
the EDS system




Fig 1: Photograph showing the distinct zonation in the mica specimen, maximum dimension 5.3 cm.




Fig. 2: Energy dispersive spectrum of point 1 in the purplish rim of the specimen. (lepidolite)
Fig. 3: Energy dispersive spectrum of point 2 in the colorless core of the specimen. (muscovite)




Fig. 4: Overlay of the spectra shown in Figs. 2 and 3, scrolled down to the lower energy end of the spectrum.



Summary of findings: This is a very interesting specimen with dramatic color zoning. Two areas were selected for EDS
analysis (Fig. 1). The rim is clearly lepidolite, indicated by the distinctly higher amount of silicon and fluorine (Figs. 2 and
4), whereas the rim shows the typical higher aluminum content and lower fluorine typical for muscovite (Figs. 3 and 4).
Lithium analysis by direct current plasma spectrometry showed that the lepidolite contains about 6.7 wt. % Li 2O,
whereas the muscovite area only shows around 0.8-1.2 wt. % Li 2O.




Date: May 8..2020                        Signature