Calcium Quartz Crystal Singing Bowl | 8" F Note | C=528 Tuning | #2146

I am the quiet architecture beneath everything you know as solid

🎵 Size: 8" | Note: F | Cents: +35 | Frequency: 356 Hz | Tuning: C=528 Love Tuning | Octave: 4 | A=432 Equivalent: F#-36 | Bowl #: 2146

✨ Element: Calcium 🪨 | Body Resonance: Torso, chest cavity, heart, lungs, solar plexus, diaphragm, mid-spine, core 💚 | Chakra Connections Western Diatonic: Heart | Cycle of Fifths: Root 💫

This calcium crystal singing bowl sounds in F at 356 Hz, resonating with the heart chakra and the chest cavity, lungs, and core. Calcium supports structural grounding and foundational stability—the mineral that forms bones, mountains, and the bedrock beneath your feet. When heart-centered frequency meets earth's most enduring building block, the experience is emotional openness anchored in unshakeable steadiness.

BEST FOR

• Grounding meditation and nervous system regulation
• Executives centering before high-stakes decisions or presentations
• Students seeking focus and calm before exams or deep study
• Sound healers supporting clients through anxiety or scattered states
• Athletes preparing for competition or recovering after intense performance
• Parents creating calm for anxious children at homework or bedtime
• Anyone rebuilding trust with their body after stress, grief, or transition

ESSENCE

I am the quiet architecture beneath everything you know as solid. When you've been scattered across a thousand obligations, when your nervous system hums like an overtightened wire, I am the substance that says: come home to your body. This bowl holds the mineral patience of limestone beds and ancient seas—sounding at the frequency of the heart, inviting you to settle into the foundation that was always there.

THE ELEMENT

Calcium is the fifth most abundant element in Earth's crust, precipitating from ancient seas over millennia to form limestone, marble, and chalk. This same mineral builds your bones, your teeth, the literal scaffold that lets you stand and move and endure. When calcium is infused into quartz crystal through Divine Bowls' proprietary process, its molecular structure becomes part of what vibrates—not a surface coating, but a true integration. The mineral's grounding signature weaves into every frequency the bowl produces.

Throughout history, calcium-rich materials have served as humanity's foundation. The pyramids of Giza rose from limestone blocks. Roman aqueducts stood on lime mortar. Ayurvedic traditions have long used calcium from pearl and conch shell for bone strengthening and grounding rituals. In crystal healing practices, calcite and fluorite—both calcium compounds—are prized for emotional stability and anchoring scattered energy.

When you work with calcium, you're working with the element that knows how to hold weight. It doesn't rush or perform stability—it simply is stable, the way bedrock is. People often describe feeling a subtle dropping in the belly, a softening in the jaw, a sense that their skeleton remembers something ancient about being held by the earth. This is the mineral that creates conditions for the kind of rest that rebuilds.

THE FREQUENCY

This bowl sounds in F at 356 Hz, resonating with the heart chakra in the Western diatonic system. The F frequency carries the energetic quality of compassion, balance, and emotional openness, vibrating through your chest cavity, lungs, and core. When calcium's foundational steadiness meets this heart-centered note, something interesting happens: the bowl invites emotional opening while simultaneously providing the structural support to hold whatever arises.

Many people notice this as a feeling of safety in vulnerability—the heart can soften because the ground beneath it is solid. The mid-range frequency speaks directly to the torso, where we hold both breath and feeling. This isn't a bowl that asks you to transcend your body; it asks you to inhabit it more fully.

THE TUNING

This bowl resonates at 356 Hz. Using A=440 as reference, it plays F+35 cents. Using A=432 as reference, this same frequency is F#-36 cents.

This bowl is categorized in the C=528 tuning because its frequency aligns with instruments tuned so that middle C equals 528 Hz—known as the "Love Frequency" in Solfeggio tradition. This brighter tuning is associated with heart-opening qualities and joyful expansion. The slightly elevated pitch creates an uplifting, clarifying resonance that many find energizing, while calcium's grounding nature keeps that brightness from becoming unmoored.

(For fine adjustment, adding water to the bowl lowers the pitch slightly—a technique some use to dial in precise intervals when playing with other instruments.)

THE SIZE

At 8 inches, this bowl produces fourth-octave tones with medium-long sustain—meaning each strike rings out with enough duration for deep listening, yet clears cleanly for rhythmic playing or repeated tones. The full, projecting volume fills small to medium spaces comfortably: a living room, a therapy office, a classroom, a yoga studio, a conference room before a team meeting.

This size allows calcium's grounding quality to express with warmth rather than heaviness, while the fourth-octave resonance naturally targets the core and chest. It's substantial enough to anchor a space, portable enough to move between rooms or travel to sessions. Whether placed bedside for morning ritual or brought to a treatment room, this bowl commands presence without overwhelming.

WORKING WITH THIS BOWL

Reach for this bowl when you feel scattered, anxious, or disconnected from your body—when you've been living from the neck up and need to remember what ground feels like. It's equally valuable before moments requiring steady presence: a difficult conversation, a presentation, a competition, a test, a day of caregiving.

To begin, simply strike the bowl once and listen. Let the tone wash through your chest. Notice where your body makes contact with the floor or chair beneath you. You might place one hand on your heart and one on your belly, feeling the vibration bridge these spaces. There's no wrong way to work with this bowl—the frequency does its work whether you're meditating deeply or simply letting it play while you make breakfast. Try it at the start of a team meeting to settle collective energy, or in a classroom during transitions between subjects. Use it to help children wind down before bed, or to mark the moment between your workday and your evening. Athletes find it valuable for pre-competition centering and post-game recovery alike.

Each Divine Bowls singing bowl includes a pure quartz mallet wrapped in premium silicone for optimal resonance, plus a silicone O-ring for stable playing on hard surfaces. Every bowl is formed in a single seamless vessel from 99.995% pure quartz—no welds, no weak points—built to last lifetimes of use.

INVITATION

Some bowls arrive with urgency. This one doesn't.

Calcium is the element that formed the pyramids, that builds your bones, that settled grain by grain into limestone beds over millennia. It knows how to wait. It knows that real stability isn't performed—it's simply present, the way bedrock is present beneath everything else.

This bowl sounds in F at 356 Hz, resonating through the chest and core. Heart-frequency openness, anchored by the mineral patience of ancient seas. It's for the morning before anyone else wakes. The moment between the workday and the evening. The classroom transition that needs settling. The breath before the presentation, the competition, the difficult conversation.