Legrandite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
4.5 – 5.0
Specific Gravity
3.98 – 4.04
Refractive Index
1.702 – 1.74
Crystal System
Monoclinic
Luster
Vitreous
Cleavage
Poor
Fracture
Uneven
Color
various
Birefringence
0.06
Pleochroism
Yellow to colourless
Mohs Hardness
| Mohs | Reference mineral | Legrandite |
|---|---|---|
| 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 Legrandite
Blue Nile
Fine jewelry retailer
James Allen
Gemstone jewelry
Brilliant Earth
Ethically sourced gems
Amazon
Wide selection
Links may earn a commission at no extra cost to you.
About Legrandite
勒格朗石是一种罕见的锌砷酸盐矿物，以其浓郁的金黄至橙黄色调而著称，在矿物收藏界备受珍视。其晶体通常呈细长楔形，透明度佳，玻璃光泽出众，是宝石学上极具吸引力的矿物品种。勒格朗石主要产于墨西哥萨卡特卡斯州的莫卡特克矿（Moctezuma Mine），在其他地方几乎不见产出。由于硬度较低且晶体微小，宝石级切割石极为稀少，几乎仅作为矿物标本为收藏家所珍藏。
On this page
Jewelry Use
Durability
3/10
Science FYI Family
Frequently Asked Questions
What is Legrandite?
勒格朗石是一种罕见的锌砷酸盐矿物，以其浓郁的金黄至橙黄色调而著称，在矿物收藏界备受珍视。其晶体通常呈细长楔形，透明度佳，玻璃光泽出众，是宝石学上极具吸引力的矿物品种。勒格朗石主要产于墨西哥萨卡特卡斯州的莫卡特克矿（Moctezuma Mine），在其他地方几乎不见产出。由于硬度较低且晶体微小，宝石级切割石极为稀少，几乎仅作为矿物标本为收藏家所珍藏。
What is the hardness of Legrandite?
Legrandite has a Mohs hardness of 4.5 to 5.0, making it relatively soft for use in jewelry.
What color is Legrandite?
Legrandite is primarily Various.
How much does Legrandite cost?
Legrandite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Legrandite?
Legrandite belongs to the Monoclinic crystal system.