Iolite with Blue Apatite Meaning, Metaphysical Energy & Geology

Mottled blue-gray Iolite with Spinel spheres from Madagascar, with one held above a tray of spheres. — Collection photograph · © Soul Body Gems.

This material is commonly marketed as Iolite with Blue Apatite. Testing of the Soul Body Gems sphere found something different: blue-green spinel associated with cordierite, with likely sapphirine and other accessory minerals.

Locality: Madagascar, according to Soul Body Gems sourcing information.

What our testing found

The blue-green grains are spinel, with a high hercynite component and a minor gahnite contribution.
Cordierite was identified in the report’s summary.
Sapphirine is considered likely present, alongside minor titanium oxide, likely rutile. Other minerals, such as kornerupine, remain possibilities rather than confirmed identifications.
The analyst interpreted the material as a high-grade skarn assemblage rich in aluminum and magnesium.

The tested sphere was not reported as an apatite-bearing assemblage. The blue-green grains identified in this report are spinel.

Sample 10629, completed August 15, 2024. Findings apply to the specimen examined.

Also listed under: Iolite with Blue Apatite · Iolite with Spinel · Cordierite (Madagascar)

View the original test results

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These results are the property of Soul Body Gems, Alexander Falster, and the Maine Mineral & Gem Museum. Any mention requires full acknowledgment.

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.

Electron microscope image: This view shows small-scale regions selected for analysis. Its brightness contrast helps distinguish regions with different compositions; it is not a photograph of their natural colors. Numbered spots connect this view to the analyses listed in the report.
Laboratory figure caption: Fig.2: Backscattered electron image of an area of the specimen.
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 spot 1 in Fig. 2 (spinel).
Electron microscope image: This view shows small-scale regions selected for analysis. Its brightness contrast helps distinguish regions with different compositions; it is not a photograph of their natural colors. Numbered spots connect this view to the analyses listed in the report.
Laboratory figure caption: Fig. 4: Backscattered electron image of another area of the specimen.
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. 5: Energy dispersive spectrum of spot 1 in Fig. 4 (likely sapphirine)
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. 6: Energy dispersive spectrum of spot 4 in Fig. 4 (a titanium oxide, possiblly rutile)
Electron microscope image: This view shows small-scale regions selected for analysis. Its brightness contrast helps distinguish regions with different compositions; it is not a photograph of their natural colors. Numbered spots connect this view to the analyses listed in the report.
Laboratory figure caption: Fig. 7: Backscattered electron image of another area of the specimen.
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. 8: Energy dispersive spectrum of spot 1 in Fig. 7 (possibly cordierite)
Element map: This map shows where the named elements occur within the analyzed area. Its colors represent the laboratory’s selected element channels, rather than the specimen’s visible colors. The caption below preserves any color key or distribution noted by the laboratory.
Laboratory figure caption: Fig. 9: X-ray map of the area shown in Fig. 2: left: magnesium: red, aluminum: yellow, silicon: blue.

Read the complete report as text

Analytical Result Report

Sample id: 10629 (blue sphere)

Submitted by: Soul Body Gems

Date completed: 8-15-2024

Operating conditions: An AMRAY 1830 SEM operated at 25 kV acceleration potential, 24 mm working distance, 0 degrees sample tilt, coated with 250 Å carbon, and also using the attached XRF unit operated at 30 kV.

Fig. 1: Photograph of the specimen. The sphere is about 4.5 cm in maximum dimension.

Fig.2: Backscattered electron image of an area of the specimen.

Fig. 3: Energy dispersive spectrum of spot 1 in Fig. 2 (spinel).

Fig. 4: Backscattered electron image of another area of the specimen.

Fig. 5: Energy dispersive spectrum of spot 1 in Fig. 4 (likely sapphirine)

Fig. 6: Energy dispersive spectrum of spot 4 in Fig. 4 (a titanium oxide, possiblly rutile)

Fig. 7: Backscattered electron image of another area of the specimen.

Fig. 8: Energy dispersive spectrum of spot 1 in Fig. 7 (possibly cordierite)

Fig. 9: X-ray map of the area shown in Fig. 2: left: magnesium: red, aluminum: yellow, silicon: blue.

Summary of findings: This specimen (Fig. 1) is a very interesting specimen! The blue-green grains are spinel, with high hercynite component and miner gahnite contribution Figs. 2 and 3). Sapphirine and is likely present (Figs. 4 and 5). Minor titanium oxide, likely rutile is also present *Figs. 4 and 6). Cordierite is also present (Figs. 8 and 9). The assemblage is a high-grade skarn assemblage with high aluminum and magnesium content (Fig. 9). It is likely that other species could be present as well such as kornerupine.

Date: August 15, 2024 Signature

Read the original laboratory report as text

The following text and tables are transcribed from the original laboratory document. Figure captions identify the report images; the laboratory interpretations and limitations are preserved.

Laboratory report 1