CrystalvsEmerald Spire
Crystal (aroma) and Emerald Spire (dual purpose) serve different purposes. Comparing acids, aromas and character helps pick the right hop.
Crystal
Alpha acid
2.8–6%
Beta acid
4.5–8.5%
Total oil
0.8–2.3 mL
United States
Emerald Spire
Alpha acid
8.6–13%
Beta acid
3.5–4.5%
Total oil
-
United States
Key differences
When to pick Crystal
- Higher beta acid - smoother, longer-lasting bitterness
- More myrcene - pronounced citrus and resinous notes
- Aroma-focused - ideal for dry hopping
When to pick Emerald Spire
- Higher alpha acid - stronger bittering
- Versatile - works for both bittering and aroma
Aroma profile and use
Shared aromas
Fruity
Only in Crystal
WoodyFloralGreenSpicyCinnamonNutmegBlack currant
Only in Emerald Spire
PeachWhiteGrapesWatermelonBubbleMelonHoneydew
Property
| Property | Crystal | Emerald Spire |
|---|---|---|
| Alpha acid | 2.8–6% | 8.6–13% |
| Beta acid | 4.5–8.5% | 3.5–4.5% |
| Co-humulone | 20–26% | 38–39% |
| Total oil | 0.8–2.3 mL | - |
| Myrcene | 30–55% | 36–37% |
| Humulene | 20–30% | 10–11% |
| Caryophyllene | 5–12% | 7–8% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | United States |
| Purpose | Aroma | Dual purpose |
Hersbrucker
Strisselspalt