Ulexite
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Physical & Optical Properties
Category
Collector Gems
Mohs Hardness
2.0 – 2.5
Specific Gravity
1.65 – 1.99
Refractive Index
1.491 – 1.52
Crystal System
Monoclinic
Luster
Silky
Cleavage
Perfect
Fracture
Uneven
Color
various
Birefringence
0.029
Pleochroism
Absent
Mohs Hardness
| Mohs | Reference mineral | Ulexite |
|---|---|---|
| 1 | Talc | |
| 2 | Gypsum | ● |
| 3 | Calcite | |
| 4 | Fluorite | |
| 5 | Apatite | |
| 6 | Orthoclase | |
| 7 | Quartz | |
| 8 | Topaz | |
| 9 | Corundum | |
| 10 | Diamond |
Crystal System
Value & Market
Price Tier
Budget (< $50/ct)
Where to Buy Ulexite
Links may earn a commission at no extra cost to you.
About Ulexite
方硼石（电视石）是一种含水钠钙硼酸盐矿物，因其能将图像从底面传导至顶面的独特光纤效应而得名"电视石"。这种效应由紧密平行排列的纤维状晶体内部全内反射产生，类似于光学纤维。通常呈白色，以丝绢光泽著称，产自美国加利福尼亚州和内华达州的硼砂矿床，以及智利和阿根廷，是矿物展示收藏的热门品种。
On this page
Jewelry Use
Durability
1/10
Science FYI Family
Frequently Asked Questions
What is Ulexite?
方硼石（电视石）是一种含水钠钙硼酸盐矿物，因其能将图像从底面传导至顶面的独特光纤效应而得名"电视石"。这种效应由紧密平行排列的纤维状晶体内部全内反射产生，类似于光学纤维。通常呈白色，以丝绢光泽著称，产自美国加利福尼亚州和内华达州的硼砂矿床，以及智利和阿根廷，是矿物展示收藏的热门品种。
What is the hardness of Ulexite?
Ulexite has a Mohs hardness of 2.0 to 2.5, making it relatively soft for use in jewelry.
What color is Ulexite?
Ulexite is primarily Various.
How much does Ulexite cost?
Ulexite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Ulexite?
Ulexite belongs to the Monoclinic crystal system.