Moss Agate
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
6.5 – 7.0
Specific Gravity
2.58 – 2.64
Refractive Index
1.53 – 1.54
Crystal System
Trigonal
Cleavage
None
Color
various
Pleochroism
Absent
Mohs Hardness
| Mohs | Reference mineral | Moss Agate |
|---|---|---|
| 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
Moderate ($50-500/ct)
Where to Buy Moss Agate
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 Moss Agate
モスアゲートは、玉髄（微晶質石英）の変種で、緑泥石・角閃石・マンガン/鉄酸化物の樹状（樹木や苔状）包有物が緑・赤・褐色または黒色のパターンを作り、半透明の白〜灰色の石の内部に苔・シダ・森林を思わせる景観や植物のような模様を生み出します。風化・熱水環境で形成され、インド・アメリカ（モンタナ、ワイオミング）・オーストラリア・ブラジルに著名な産地があります。さまざまな民俗伝承で自然の精霊や農業の豊穣と結びつけられ、カボション・ビーズ・彫刻品に加工されます。
On this page
Jewelry Use
Durability
6/10
Science FYI Family
Frequently Asked Questions
What is Moss Agate?
モスアゲートは、玉髄（微晶質石英）の変種で、緑泥石・角閃石・マンガン/鉄酸化物の樹状（樹木や苔状）包有物が緑・赤・褐色または黒色のパターンを作り、半透明の白〜灰色の石の内部に苔・シダ・森林を思わせる景観や植物のような模様を生み出します。風化・熱水環境で形成され、インド・アメリカ（モンタナ、ワイオミング）・オーストラリア・ブラジルに著名な産地があります。さまざまな民俗伝承で自然の精霊や農業の豊穣と結びつけられ、カボション・ビーズ・彫刻品に加工されます。
What is the hardness of Moss Agate?
Moss Agate has a Mohs hardness of 6.5 to 7.0, making it moderate for use in jewelry.
What color is Moss Agate?
Moss Agate is primarily Various.
How much does Moss Agate cost?
Moss Agate falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Moss Agate?
Moss Agate belongs to the Trigonal crystal system.