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Home / Gem Library / Gemstones Varieties / Hambergite January 15, 2021

Natural Hambergite

Hambergite is named after the Swedish Mineralogist, Axel Hamburg. It forms in flattened prismatic orthorhombic crystals with vitreous to dull luster. It is a brittle mineral with perfect cleavage in one direction and conchoidal to uneven fracture.

  • There are 29 Hambergite gemstones available at
  • Hambergite(s) are organized in the following categories: Single,  gemstones.
  • Our most expensive Hambergite is USD 7349.00 and largest Hambergite weight is CTS 16.33.
  • Our cheapest Hambergite is USD 44.50 and smallest Hambergite weight is CTS 0.61.

Find your Hambergite

Our Hambergite(s) are available in various shapes, sizes and colors. 29 Hambergite(s), too many to look through? You may select any combination of search options. .

Shape Length (mm) Width (mm)
Category Weight (cts) Price (USD)

Hambergite Profile

Color information: Colorless, white, grayish white, yellowish white.
Refractive Index: 1.55 - 1.63
Chemical Composition: Be2 BO3 (OH,F)
Hardness: 7.5
Density: 2.35 - 2.37
Crystal Group: Orthorhombic
Ocurrence: Anjanabanoana, Madagascar; Molo, Myanmar; India; Czech Republic; California, U.S.A.; Langesundsfjord, Norway.
Sign of the Zodiac: N/A
Month of the year: N/A
Hambergite was originally discovered in southern Norway but that material was not clean enough to be considered gem material. The most important current source is probably in Anjanabanoana, Madagascar. Recently, some nice material has also been unearthed in Molo, Myanmar, but most of the crystals are small.

Hambergite has the lowest known density of any gem with such a high birefringence (.072). These unique properties make it easy to identify. Stones have little fire any may resemble quartz but with the high birefringence, hambergite is nearly impossible to misidentify.


R. Webster, 1994, Fifth edition, Gems Their Sources, Descriptions And Identification, Reed Educational and Professional Publishing Ltd.

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Hambergite range/
Hambergite Single
Hambergite Single Oval Eye clean
Size: 20.10 X 14.50 MM
Weight: 16.330 CTS
Shape: Oval
Clarity: Eye clean
Usually ships within 24 hours
USD 7349.00
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Hambergite Single
Hambergite Single Pear Moderately included
Size: 8.80 X 6.50 MM
Weight: 1.030 CTS
Shape: Pear
Clarity: Moderately included
Usually ships within 24 hours
USD 44.50
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