Tony H. Gill's Photo Gallery

M1Q-NLUTopaz Al₂(SiO₄)(F,OH)₂ , Quartz SiO₂ , Albite Na(AlSi₃O₈)

Shigar Valley, Shigar District, Gilgit-Baltistan, Pakistan

Dimensions: 11.5 cm x 11 cm x 8 cm
Largest Crystal Size: 35 mm

Collection number: #T257

WNP-1ALCorundum (Var: Sapphire) Al₂O₃

Ehiliyagoda, Ratnapura, Ratnapura District, Sabaragamuwa Province, Sri Lanka

Dimensions: 28 mm x 12 mm x 12 mm
Weight: 2.97 carats

This sapphire crystal is a natural colour change crystal which takes on a grey, to pink, to purple and blue colouration in different lighting. I have never seen a crystal like this from Sri Lanka before. The cut stone is a rare purple/pink sapphire exhibiting the cats eye effect, weighing in at 2.97ct - very difficult to photograph. #C21

6AM-D1YSpinel MgAl₂O₄

Nivitigala, Ratnapura District, Sabaragamuwa Province, Sri Lanka

Dimensions: 12 mm x 12 mm x 12 mm
Weight: 11.2 carats

Incredibly formed, large and gemmy blue to purple colour changing spinel from Nivithigala, Sri Lanka.
Very difficult to photograph. #S10

FYK-PQQTopaz Al₂(SiO₄)(F,OH)₂

Agnus Dei claim, Cameron Cone, Crystal Park, El Paso County, Colorado, USA

Dimensions: 25 mm x 25 mm x 20 mm

Etched topaz from the Tribute pocket, a kind gift from Philip Persson. #T259

QLJ-2FHTopaz Al₂(SiO₄)(F,OH)₂

Green Ledges localities, Milan, Coos County, New Hampshire, USA

Dimensions: 20 mm x 20 mm x 17 mm

Rare locality topaz found by the legendary Carlton Holt in 1970 on Greens Ledges, West Milan, New Hampshire. #T256

18G-E5VTopaz Al₂(SiO₄)(F,OH)₂

Dragoon Mountains, Cochise County, Arizona, USA

Dimensions: 20 mm x 20 mm x 14 mm

Ex-Evan Jones collection.
Collection number #T258

9WE-QVMTopaz Al₂(SiO₄)(F,OH)₂ , Kaolinite Al₂(Si₂O₅)(OH)₄

Government pit, Albany, Carroll County, New Hampshire, USA

Dimensions: 20 mm x 30 mm
Largest Crystal Size: 30 mm

An absolute iconic topaz on kaolin from New Hampshire!
Ex-Carlton Holt and Peter Samuelson collections. Found by Peter Samuelson in 1983.

Featured in:
- Chasing Rainbows: The Field Collecting Diaries of New Hampshire Mineralogist by Peter Samuelson, p45
- Rocks and Minerals New Hampshire Issue, Volume 65, No. 4, July/August 1990, p291
- Rocks and minerals New Hampshire Topaz Issue, Volume 92, No. 6 Nov/Dec 2017, p509

Tony Gill collection #T260

YR3-U3VDiaspore AlO(OH)

Selçuk District, Izmir Province, Turkey

Dimensions: 17 mm x 17 mm x 14 mm

Twin colour changing diaspore (Zultanite) on matrix. #D6

U4F-MN1Corundum (Var: Sapphire) Al₂O₃

Glen Innes, Gough Co., New South Wales, Australia

Dimensions: 13 mm x 6 mm x 6 mm
Weight: 2.93 carats

Rare double terminated sapphires from Australia and not from Sri Lanka!
Crystals from left to right; 2.93ct, 0.34ct & 2.03ct in size. #C20

Mindat.org Photo of the Day - 3rd Aug 2022

3RE-0DDCorundum (Var: Sapphire) Al₂O₃

Kings Plains, Bathurst Co., New South Wales, Australia

Dimensions: 13 mm x 5 mm x 6 mm
Largest Crystal Size: 13 mm

Rare double terminated sapphires from Australia, not Sri Lanka!
Generous gift from Terry Coldham. #C19