Rare Hackmanite ténébréscente Rugueuse- 55 g - (54)
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Hackmanite naturel en roche brute des mines de Badakhshan en Afghanistan, pesant 55 g répartis en 54 pièces, présentant une ténèbrescence sous UV avec changement de couleur jaune, bleu et violet, lustre excellent et transparence allant de transparent à translucide, adapté au facettage ou cabochon.
Résumé assisté par IA
Description fournie par le vendeur
RareTenebrescent Hackmanite Rough – Badakhshan, Afghanistan
A fascinating lot of Natural Hackmanite rough from the Badakhshan mines of Afghanistan, with a total weight of 55 grams comprising 54 individual pieces.
This lot is particularly attractive because of its tenebrescence, the remarkable reversible colour-changing phenomenon for which Hackmanite is well known. Under UV light, the pieces display three distinct colours: vivid yellow, intense sapphire-like blue and rich purple reminiscent of amethyst. The colour changes are clearly visible in the photographs provided.
The pieces have an attractive natural lustre. The smaller crystals show better transparency, while the larger pieces are predominantly translucent. The pieces also offers good lapidary potential: selected smaller pieces can be considered for faceting, while the larger pieces are well suited for cabochons or other decorative applications.
Hackmanite is an uncommon and highly sought-after mineral among collectors, particularly because of its combination of attractive colour and UV-induced tenebrescence. This parcel provides a good variety of sizes and appearances for both collectors and lapidaries.
Specifications:
Mineral: Natural Hackmanite
Origin: Badakhshan, Afghanistan
Total Weight: 55 g
Number of Pieces: 54
Phenomenon: Tenebrescence / reversible UV-induced colour change
UV Colours: Yellow, vivid blue and purple
Lustre: Excellent
Transparency: Transparent to translucent
Lapidary Potential: Faceting and cabochon cutting
Treatment: Natural rough material; no treatment
RareTenebrescent Hackmanite Rough – Badakhshan, Afghanistan
A fascinating lot of Natural Hackmanite rough from the Badakhshan mines of Afghanistan, with a total weight of 55 grams comprising 54 individual pieces.
This lot is particularly attractive because of its tenebrescence, the remarkable reversible colour-changing phenomenon for which Hackmanite is well known. Under UV light, the pieces display three distinct colours: vivid yellow, intense sapphire-like blue and rich purple reminiscent of amethyst. The colour changes are clearly visible in the photographs provided.
The pieces have an attractive natural lustre. The smaller crystals show better transparency, while the larger pieces are predominantly translucent. The pieces also offers good lapidary potential: selected smaller pieces can be considered for faceting, while the larger pieces are well suited for cabochons or other decorative applications.
Hackmanite is an uncommon and highly sought-after mineral among collectors, particularly because of its combination of attractive colour and UV-induced tenebrescence. This parcel provides a good variety of sizes and appearances for both collectors and lapidaries.
Specifications:
Mineral: Natural Hackmanite
Origin: Badakhshan, Afghanistan
Total Weight: 55 g
Number of Pieces: 54
Phenomenon: Tenebrescence / reversible UV-induced colour change
UV Colours: Yellow, vivid blue and purple
Lustre: Excellent
Transparency: Transparent to translucent
Lapidary Potential: Faceting and cabochon cutting
Treatment: Natural rough material; no treatment
Détails
Nombre d’objets
54
Minéral principal
Rare Tenebrescent Hackmanite
Forme minérale
Rugueuse
Poids
55 g
Origine (région / ville)
Badakhshan mines
Pays d’origine
Afghanistan
Vendu par
