Small angular quartz crystals, identified with micro Raman, are trailed by streams of fine particles and needles. These crystals are suspended in a garnet host. The host mineral was purchased near Ilakaka, Madagascar. Specimen courtesy of Asia Lounges.

Natural • Garnet • Spessartine  •  No Origin  •  Enhancements: None Detected (None)  •  Lighting Conditions: Dark Field
Photographer: E. Billie Hughes  •  Image Number: A-003-5019-1  • Field of View = 2mm

Fibrous “horsetail” inclusions are a distinctive feature of demantoid garnet.

Natural • Garnet • Andradite • Demantoid  •  Russia  •  Enhancements: Heat (H)  •  Lighting Conditions: Dark Field
Photographer: E. Billie Hughes  •  Image Number: A-003-4211-1  • Field of View = 2mm

Gübelin, E.J. and Koivula, J.I. (2005) Photoatlas of Inclusions in Gemstones, Volume 2. Basel, Switzerland, Opinio Publishers, 830 pp.; RWHL*.

Horsetail inclusion in demantoid garnet; FOV: 7mm ; EBH; specimen courtesy Alexey Burlakov/Tsarina

Natural • Garnet • Andradite • Demantoid  •  Russia  •  Enhancements: None Detected (None)  •  Lighting Conditions: Dark Field + Diffuse Fiber Optic
Photographer: E. Billie Hughes  •  Image Number: R-003-1847-3

Gübelin, E.J. and Koivula, J.I. (2005) Photoatlas of Inclusions in Gemstones, Volume 2. Basel, Switzerland, Opinio Publishers, 830 pp.; RWHL*.

Horsetail inclusion in demantoid garnet; FOV: 6 mm; specimen courtesy Alexey Burlakov/Tsarina

Natural • Garnet • Andradite • Demantoid  •  Russia  •  Enhancements: None Detected (None)  •  Lighting Conditions: Dark Field + Oblique Fiber Optic
Photographer: E. Billie Hughes  •  Image Number: R-003-1847-2

Gübelin, E.J. and Koivula, J.I. (2005) Photoatlas of Inclusions in Gemstones, Volume 2. Basel, Switzerland, Opinio Publishers, 830 pp.; RWHL*.

Horsetail inclusion in demantoid garnet; FOV: 6 mm; specimen courtesy Alexey Burlakov/Tsarina

Natural • Garnet • Andradite • Demantoid  •  Russia  •  Enhancements: None Detected (None)  •  Lighting Conditions: Dark Field
Photographer: E. Billie Hughes  •  Image Number: R-003-1847-1

Gübelin, E.J. and Koivula, J.I. (2005) Photoatlas of Inclusions in Gemstones, Volume 2. Basel, Switzerland, Opinio Publishers, 830 pp.; RWHL*.

Horsetail inclusion in Russian demantoid garnet; FOV 4 mm; specimen courtesy Alexey Burlakov/ Tsarina

Natural • Garnet • Andradite • Demantoid  •  Russia  •  Enhancements: None Detected (None)  •  Lighting Conditions: Dark Field
Photographer: E. Billie Hughes  •  Image Number: R-003-1849-1

Gübelin, E.J. and Koivula, J.I. (2005) Photoatlas of Inclusions in Gemstones, Volume 2. Basel, Switzerland, Opinio Publishers, 830 pp.; RWHL*.

“Horsetail” inclusions in demantoid garnet. These consist of chrysotile fibers. Specimen courtesy of Alexey Burlakov/ Tsarina Jewels.

Natural • Garnet • Andradite • Demantoid  •  Russia  •  Enhancements: None Detected (None)  •  Lighting Conditions: Dark Field
Photographer: E. Billie Hughes  •  Image Number: R-003-1851-4

Gübelin, E.J. and Koivula, J.I. (2005) Photoatlas of Inclusions in Gemstones, Volume 2. Basel, Switzerland, Opinio Publishers, 830 pp.; RWHL*.

“Horsetail” inclusions in demantoid garnet. These consist of chrysotile fibers. Specimen courtesy of Alexey Burlakov/ Tsarina Jewels.

Natural • Garnet • Andradite • Demantoid  •  Russia  •  Enhancements: None Detected (None)  •  Lighting Conditions: Dark Field
Photographer: E. Billie Hughes  •  Image Number: R-003-1851-3

Gübelin, E.J. and Koivula, J.I. (2005) Photoatlas of Inclusions in Gemstones, Volume 2. Basel, Switzerland, Opinio Publishers, 830 pp.; RWHL*.

“Horsetail” inclusions in demantoid garnet. These consist of chrysotile fibers. Specimen courtesy of Alexey Burlakov/ Tsarina Jewels.

Natural • Garnet • Andradite • Demantoid  •  Russia  •  Enhancements: None Detected (None)  •  Lighting Conditions: Dark Field + Diffuse Fiber Optic
Photographer: E. Billie Hughes  •  Image Number: R-003-1851-2

Gübelin, E.J. and Koivula, J.I. (2005) Photoatlas of Inclusions in Gemstones, Volume 2. Basel, Switzerland, Opinio Publishers, 830 pp.; RWHL*.

“Horsetail” inclusions in demantoid garnet. These consist of chrysotile fibers. Specimen courtesy of Alexey Burlakov/ Tsarina Jewels.

Natural • Garnet • Andradite • Demantoid  •  Russia  •  Enhancements: None Detected (None)  •  Lighting Conditions: Dark Field
Photographer: E. Billie Hughes  •  Image Number: R-003-1851-1

Gübelin, E.J. and Koivula, J.I. (2005) Photoatlas of Inclusions in Gemstones, Volume 2. Basel, Switzerland, Opinio Publishers, 830 pp.; RWHL*.

Fibrous “horsetail” inclusions are a typical feature of demantoid garnet; FOV 5 mm

Natural • Garnet • Andradite • Demantoid  •  Russia  •  Enhancements: None Detected (None)  •  Lighting Conditions: Dark Field
Photographer: E. Billie Hughes  •  Image Number: A-003-2772-1

Gübelin, E.J. and Koivula, J.I. (2005) Photoatlas of Inclusions in Gemstones, Volume 2. Basel, Switzerland, Opinio Publishers, 830 pp.; RWHL*.

A polished piece of garnet rough from Queensland, Australia. Specimen courtesy of Ray Richardson.

Natural • Garnet • Spessartine  •  Australia  •  Enhancements: None Detected (None)  •  Lighting Conditions: Dark Field + Diffuse Fiber Optic
Photographer: E. Billie Hughes  •  Image Number: R-002-3266-6